Finding the Third Proportional to 28,872.50 and 60,039.50

Step by Step Solution

1. Step 1: Write the proportion equation
   28,872.50 : 60,039.50 = 60,039.50 : x
2. Step 2: Convert to fraction form
   28,872.50/60,039.50 = 60,039.50/x
3. Step 3: Cross multiply
   28,872.50x = 60,039.50 × 60,039.50
4. Step 4: Simplify right side
   28,872.50x = 3,604,741,560.25
5. Step 5: Solve for x
   x = 3,604,741,560.25/28,872.50
6. Step 6: Final answer
   x = 124,850.34