Finding the Third Proportional to 24,688.50 and 54,715.31

Step by Step Solution

1. Step 1: Write the proportion equation
   24,688.50 : 54,715.31 = 54,715.31 : x
2. Step 2: Convert to fraction form
   24,688.50/54,715.31 = 54,715.31/x
3. Step 3: Cross multiply
   24,688.50x = 54,715.31 × 54,715.31
4. Step 4: Simplify right side
   24,688.50x = 2,993,765,421.97
5. Step 5: Solve for x
   x = 2,993,765,421.97/24,688.50
6. Step 6: Final answer
   x = 121,261.54