Finding the Third Proportional to 425,727 and 654,566

Step by Step Solution

1. Step 1: Write the proportion equation
   425,727 : 654,566 = 654,566 : x
2. Step 2: Convert to fraction form
   425,727/654,566 = 654,566/x
3. Step 3: Cross multiply
   425,727x = 654,566 × 654,566
4. Step 4: Simplify right side
   425,727x = 428,456,648,356
5. Step 5: Solve for x
   x = 428,456,648,356/425,727
6. Step 6: Final answer
   x = 1,006,411.73