Finding the Third Proportional to 54,687.50 and 113,740.50

Step by Step Solution

1. Step 1: Write the proportion equation
   54,687.50 : 113,740.50 = 113,740.50 : x
2. Step 2: Convert to fraction form
   54,687.50/113,740.50 = 113,740.50/x
3. Step 3: Cross multiply
   54,687.50x = 113,740.50 × 113,740.50
4. Step 4: Simplify right side
   54,687.50x = 12,936,901,340.25
5. Step 5: Solve for x
   x = 12,936,901,340.25/54,687.50
6. Step 6: Final answer
   x = 236,560.48