Finding the Third Proportional to 54,139.50 and 73,755

Step by Step Solution

1. Step 1: Write the proportion equation
   54,139.50 : 73,755 = 73,755 : x
2. Step 2: Convert to fraction form
   54,139.50/73,755 = 73,755/x
3. Step 3: Cross multiply
   54,139.50x = 73,755 × 73,755
4. Step 4: Simplify right side
   54,139.50x = 5,439,800,025
5. Step 5: Solve for x
   x = 5,439,800,025/54,139.50
6. Step 6: Final answer
   x = 100,477.47