Assuming your data on the "Colorado" sheet is like this:
Colorado
<table border="1" cellspacing="0" style="font-family:Calibri,Arial; font-size:11pt; background-color:#ffffff; "> <colgroup><col style="font-weight:bold; width:30px; " /><col style="width:105.5px;" /><col style="width:76.04px;" /><col style="width:76.04px;" /></colgroup><tr style="background-color:#cacaca; text-align:center; font-weight:bold; font-size:8pt; "><td > </td><td >A</td><td >B</td><td >C</td></tr><tr style="height:19px ;" ><td style="font-size:8pt; background-color:#cacaca; text-align:center; " >1</td><td > </td><td >Population</td><td >Land Area</td></tr><tr style="height:19px ;" ><td style="font-size:8pt; background-color:#cacaca; text-align:center; " >2</td><td >Arvada</td><td style="text-align:right; ">120,000</td><td style="text-align:right; ">100</td></tr><tr style="height:19px ;" ><td style="font-size:8pt; background-color:#cacaca; text-align:center; " >3</td><td >Aurora</td><td style="text-align:right; ">300,000</td><td style="text-align:right; ">300</td></tr><tr style="height:19px ;" ><td style="font-size:8pt; background-color:#cacaca; text-align:center; " >4</td><td >Denver</td><td style="text-align:right; ">700,000</td><td style="text-align:right; ">400</td></tr></table>
Try this:
Sheet1
<table border="1" cellspacing="0" style="font-family:Calibri,Arial; font-size:11pt; background-color:#ffffff; "> <colgroup><col style="font-weight:bold; width:30px; " /><col style="width:76.04px;" /><col style="width:76.04px;" /><col style="width:76.04px;" /><col style="width:76.04px;" /></colgroup><tr style="background-color:#cacaca; text-align:center; font-weight:bold; font-size:8pt; "><td > </td><td >A</td><td >B</td><td >C</td><td >D</td></tr><tr style="height:19px ;" ><td style="font-size:8pt; background-color:#cacaca; text-align:center; " >1</td><td >Estate</td><td >City</td><td >Statistic</td><td >Result</td></tr><tr style="height:19px ;" ><td style="font-size:8pt; background-color:#cacaca; text-align:center; " >2</td><td >Colorado</td><td >Aurora</td><td >Population</td><td style="text-align:right; ">300,000</td></tr></table><br /><table style="font-family:Arial; font-size:10pt; border-style: groove ;border-color:#00ff00;background-color:#fffcf9; color:#000000; "><tr><td ><b></b></td></tr><tr><td ><table border = "1" cellspacing="0" cellpadding="2" style="font-family:Arial; font-size:9pt;"><tr style="background-color:#cacaca; font-size:10pt;"><td >Cell</td><td >Formula</td></tr><tr><td >D2</td><td >=INDEX(INDIRECT("'"&A2&"'!A1:F11"),MATCH(B2,INDIRECT("'"&A2&"'!A1:A11"),0),MATCH(C2,INDIRECT("'"&A2&"'!A1:F1"),0))</td></tr></table></td></tr></table>