Finding the Third Proportional to 83,060,950.50 and 128,944,777.50

Step by Step Solution

1. Step 1: Write the proportion equation
   83,060,950.50 : 128,944,777.50 = 128,944,777.50 : x
2. Step 2: Convert to fraction form
   83,060,950.50/128,944,777.50 = 128,944,777.50/x
3. Step 3: Cross multiply
   83,060,950.50x = 128,944,777.50 × 128,944,777.50
4. Step 4: Simplify right side
   83,060,950.50x = 16,626,755,644,524,506
5. Step 5: Solve for x
   x = 16,626,755,644,524,506/83,060,950.50
6. Step 6: Final answer
   x = 200,175,359.71