Finding the Third Proportional to 54,737.50 and 117,915.50

Step by Step Solution

1. Step 1: Write the proportion equation
   54,737.50 : 117,915.50 = 117,915.50 : x
2. Step 2: Convert to fraction form
   54,737.50/117,915.50 = 117,915.50/x
3. Step 3: Cross multiply
   54,737.50x = 117,915.50 × 117,915.50
4. Step 4: Simplify right side
   54,737.50x = 13,904,065,140.25
5. Step 5: Solve for x
   x = 13,904,065,140.25/54,737.50
6. Step 6: Final answer
   x = 254,013.52