Finding the Third Proportional to 39,868.50 and 54,168.75

Step by Step Solution

1. Step 1: Write the proportion equation
   39,868.50 : 54,168.75 = 54,168.75 : x
2. Step 2: Convert to fraction form
   39,868.50/54,168.75 = 54,168.75/x
3. Step 3: Cross multiply
   39,868.50x = 54,168.75 × 54,168.75
4. Step 4: Simplify right side
   39,868.50x = 2,934,253,476.56
5. Step 5: Solve for x
   x = 2,934,253,476.56/39,868.50
6. Step 6: Final answer
   x = 73,598.29