Finding the Third Proportional to 525,292 and 814,938

Step by Step Solution

1. Step 1: Write the proportion equation
   525,292 : 814,938 = 814,938 : x
2. Step 2: Convert to fraction form
   525,292/814,938 = 814,938/x
3. Step 3: Cross multiply
   525,292x = 814,938 × 814,938
4. Step 4: Simplify right side
   525,292x = 664,123,943,844
5. Step 5: Solve for x
   x = 664,123,943,844/525,292
6. Step 6: Final answer
   x = 1,264,294.80