Finding the Third Proportional to 71,822,146.50 and 111,438,456.75

Step by Step Solution

1. Step 1: Write the proportion equation
   71,822,146.50 : 111,438,456.75 = 111,438,456.75 : x
2. Step 2: Convert to fraction form
   71,822,146.50/111,438,456.75 = 111,438,456.75/x
3. Step 3: Cross multiply
   71,822,146.50x = 111,438,456.75 × 111,438,456.75
4. Step 4: Simplify right side
   71,822,146.50x = 12,418,529,642,821,620
5. Step 5: Solve for x
   x = 12,418,529,642,821,620/71,822,146.50
6. Step 6: Final answer
   x = 172,906,690.32