Finding the Third Proportional to 71,822,298 and 111,438,589.50

Step by Step Solution

1. Step 1: Write the proportion equation
   71,822,298 : 111,438,589.50 = 111,438,589.50 : x
2. Step 2: Convert to fraction form
   71,822,298/111,438,589.50 = 111,438,589.50/x
3. Step 3: Cross multiply
   71,822,298x = 111,438,589.50 × 111,438,589.50
4. Step 4: Simplify right side
   71,822,298x = 12,418,559,229,749,510
5. Step 5: Solve for x
   x = 12,418,559,229,749,510/71,822,298
6. Step 6: Final answer
   x = 172,906,737.54