Finding the Third Proportional to 12,132.75 and 25,724.25

Step by Step Solution

1. Step 1: Write the proportion equation
   12,132.75 : 25,724.25 = 25,724.25 : x
2. Step 2: Convert to fraction form
   12,132.75/25,724.25 = 25,724.25/x
3. Step 3: Cross multiply
   12,132.75x = 25,724.25 × 25,724.25
4. Step 4: Simplify right side
   12,132.75x = 661,737,038.06
5. Step 5: Solve for x
   x = 661,737,038.06/12,132.75
6. Step 6: Final answer
   x = 54,541.39