Finding the Third Proportional to 54,789.75 and 113,791.50

Step by Step Solution

1. Step 1: Write the proportion equation
   54,789.75 : 113,791.50 = 113,791.50 : x
2. Step 2: Convert to fraction form
   54,789.75/113,791.50 = 113,791.50/x
3. Step 3: Cross multiply
   54,789.75x = 113,791.50 × 113,791.50
4. Step 4: Simplify right side
   54,789.75x = 12,948,505,472.25
5. Step 5: Solve for x
   x = 12,948,505,472.25/54,789.75
6. Step 6: Final answer
   x = 236,330.80