Finding the Third Proportional to 425,755.50 and 709,562.50

Step by Step Solution

1. Step 1: Write the proportion equation
   425,755.50 : 709,562.50 = 709,562.50 : x
2. Step 2: Convert to fraction form
   425,755.50/709,562.50 = 709,562.50/x
3. Step 3: Cross multiply
   425,755.50x = 709,562.50 × 709,562.50
4. Step 4: Simplify right side
   425,755.50x = 503,478,941,406.25
5. Step 5: Solve for x
   x = 503,478,941,406.25/425,755.50
6. Step 6: Final answer
   x = 1,182,554.17