Finding the Third Proportional to 72,325,839.50 and 109,161,349

Step by Step Solution

1. Step 1: Write the proportion equation
   72,325,839.50 : 109,161,349 = 109,161,349 : x
2. Step 2: Convert to fraction form
   72,325,839.50/109,161,349 = 109,161,349/x
3. Step 3: Cross multiply
   72,325,839.50x = 109,161,349 × 109,161,349
4. Step 4: Simplify right side
   72,325,839.50x = 11,916,200,115,499,800
5. Step 5: Solve for x
   x = 11,916,200,115,499,800/72,325,839.50
6. Step 6: Final answer
   x = 164,757,162.83