Finding the Third Proportional to 54,243.50 and 117,505

Step by Step Solution

1. Step 1: Write the proportion equation
   54,243.50 : 117,505 = 117,505 : x
2. Step 2: Convert to fraction form
   54,243.50/117,505 = 117,505/x
3. Step 3: Cross multiply
   54,243.50x = 117,505 × 117,505
4. Step 4: Simplify right side
   54,243.50x = 13,807,425,025
5. Step 5: Solve for x
   x = 13,807,425,025/54,243.50
6. Step 6: Final answer
   x = 254,545.25