Finding the Third Proportional to 54,342 and 117,726.75

Step by Step Solution

1. Step 1: Write the proportion equation
   54,342 : 117,726.75 = 117,726.75 : x
2. Step 2: Convert to fraction form
   54,342/117,726.75 = 117,726.75/x
3. Step 3: Cross multiply
   54,342x = 117,726.75 × 117,726.75
4. Step 4: Simplify right side
   54,342x = 13,859,587,665.56
5. Step 5: Solve for x
   x = 13,859,587,665.56/54,342
6. Step 6: Final answer
   x = 255,043.75