Finding the Third Proportional to 517,107 and 758,620.50

Step by Step Solution

1. Step 1: Write the proportion equation
   517,107 : 758,620.50 = 758,620.50 : x
2. Step 2: Convert to fraction form
   517,107/758,620.50 = 758,620.50/x
3. Step 3: Cross multiply
   517,107x = 758,620.50 × 758,620.50
4. Step 4: Simplify right side
   517,107x = 575,505,063,020.25
5. Step 5: Solve for x
   x = 575,505,063,020.25/517,107
6. Step 6: Final answer
   x = 1,112,932.26