Finding the Third Proportional to 25,209.50 and 55,339.75

Step by Step Solution

1. Step 1: Write the proportion equation
   25,209.50 : 55,339.75 = 55,339.75 : x
2. Step 2: Convert to fraction form
   25,209.50/55,339.75 = 55,339.75/x
3. Step 3: Cross multiply
   25,209.50x = 55,339.75 × 55,339.75
4. Step 4: Simplify right side
   25,209.50x = 3,062,487,930.06
5. Step 5: Solve for x
   x = 3,062,487,930.06/25,209.50
6. Step 6: Final answer
   x = 121,481.50