Finding the Third Proportional to 54,789.50 and 117,901.50

Step by Step Solution

1. Step 1: Write the proportion equation
   54,789.50 : 117,901.50 = 117,901.50 : x
2. Step 2: Convert to fraction form
   54,789.50/117,901.50 = 117,901.50/x
3. Step 3: Cross multiply
   54,789.50x = 117,901.50 × 117,901.50
4. Step 4: Simplify right side
   54,789.50x = 13,900,763,702.25
5. Step 5: Solve for x
   x = 13,900,763,702.25/54,789.50
6. Step 6: Final answer
   x = 253,712.18