Finding the Third Proportional to 54,499.50 and 117,315

Step by Step Solution

1. Step 1: Write the proportion equation
   54,499.50 : 117,315 = 117,315 : x
2. Step 2: Convert to fraction form
   54,499.50/117,315 = 117,315/x
3. Step 3: Cross multiply
   54,499.50x = 117,315 × 117,315
4. Step 4: Simplify right side
   54,499.50x = 13,762,809,225
5. Step 5: Solve for x
   x = 13,762,809,225/54,499.50
6. Step 6: Final answer
   x = 252,530.93