Finding the Third Proportional to 338,426 and 752,499

Step by Step Solution

1. Step 1: Write the proportion equation
   338,426 : 752,499 = 752,499 : x
2. Step 2: Convert to fraction form
   338,426/752,499 = 752,499/x
3. Step 3: Cross multiply
   338,426x = 752,499 × 752,499
4. Step 4: Simplify right side
   338,426x = 566,254,745,001
5. Step 5: Solve for x
   x = 566,254,745,001/338,426
6. Step 6: Final answer
   x = 1,673,201.07