Finding the Third Proportional to 510,606 and 715,522.50

Step by Step Solution

1. Step 1: Write the proportion equation
   510,606 : 715,522.50 = 715,522.50 : x
2. Step 2: Convert to fraction form
   510,606/715,522.50 = 715,522.50/x
3. Step 3: Cross multiply
   510,606x = 715,522.50 × 715,522.50
4. Step 4: Simplify right side
   510,606x = 511,972,448,006.25
5. Step 5: Solve for x
   x = 511,972,448,006.25/510,606
6. Step 6: Final answer
   x = 1,002,676.13