Finding the Third Proportional to 89,737.50 and 140,791.50

Step by Step Solution

1. Step 1: Write the proportion equation
   89,737.50 : 140,791.50 = 140,791.50 : x
2. Step 2: Convert to fraction form
   89,737.50/140,791.50 = 140,791.50/x
3. Step 3: Cross multiply
   89,737.50x = 140,791.50 × 140,791.50
4. Step 4: Simplify right side
   89,737.50x = 19,822,246,472.25
5. Step 5: Solve for x
   x = 19,822,246,472.25/89,737.50
6. Step 6: Final answer
   x = 220,891.45