Finding the Third Proportional to 72,521,010 and 112,457,857.50

Step by Step Solution

1. Step 1: Write the proportion equation
   72,521,010 : 112,457,857.50 = 112,457,857.50 : x
2. Step 2: Convert to fraction form
   72,521,010/112,457,857.50 = 112,457,857.50/x
3. Step 3: Cross multiply
   72,521,010x = 112,457,857.50 × 112,457,857.50
4. Step 4: Simplify right side
   72,521,010x = 12,646,769,713,490,306
5. Step 5: Solve for x
   x = 12,646,769,713,490,306/72,521,010
6. Step 6: Final answer
   x = 174,387,666.60