Finding the Third Proportional to 72,325,831.50 and 109,161,337.50

Step by Step Solution

1. Step 1: Write the proportion equation
   72,325,831.50 : 109,161,337.50 = 109,161,337.50 : x
2. Step 2: Convert to fraction form
   72,325,831.50/109,161,337.50 = 109,161,337.50/x
3. Step 3: Cross multiply
   72,325,831.50x = 109,161,337.50 × 109,161,337.50
4. Step 4: Simplify right side
   72,325,831.50x = 11,916,197,604,788,906
5. Step 5: Solve for x
   x = 11,916,197,604,788,906/72,325,831.50
6. Step 6: Final answer
   x = 164,757,146.34