Finding the Third Proportional to 54,799.50 and 117,915

Step by Step Solution

1. Step 1: Write the proportion equation
   54,799.50 : 117,915 = 117,915 : x
2. Step 2: Convert to fraction form
   54,799.50/117,915 = 117,915/x
3. Step 3: Cross multiply
   54,799.50x = 117,915 × 117,915
4. Step 4: Simplify right side
   54,799.50x = 13,903,947,225
5. Step 5: Solve for x
   x = 13,903,947,225/54,799.50
6. Step 6: Final answer
   x = 253,723.98