Finding the Third Proportional to 394,532.25 and 838,272

Step by Step Solution

1. Step 1: Write the proportion equation
   394,532.25 : 838,272 = 838,272 : x
2. Step 2: Convert to fraction form
   394,532.25/838,272 = 838,272/x
3. Step 3: Cross multiply
   394,532.25x = 838,272 × 838,272
4. Step 4: Simplify right side
   394,532.25x = 702,699,945,984
5. Step 5: Solve for x
   x = 702,699,945,984/394,532.25
6. Step 6: Final answer
   x = 1,781,096.34