Finding the Third Proportional to 82,837,814.50 and 129,664,930

Step by Step Solution

1. Step 1: Write the proportion equation
   82,837,814.50 : 129,664,930 = 129,664,930 : x
2. Step 2: Convert to fraction form
   82,837,814.50/129,664,930 = 129,664,930/x
3. Step 3: Cross multiply
   82,837,814.50x = 129,664,930 × 129,664,930
4. Step 4: Simplify right side
   82,837,814.50x = 16,812,994,071,904,900
5. Step 5: Solve for x
   x = 16,812,994,071,904,900/82,837,814.50
6. Step 6: Final answer
   x = 202,962,791.49