Finding the Third Proportional to 25,442.25 and 56,439.75

Step by Step Solution

1. Step 1: Write the proportion equation
   25,442.25 : 56,439.75 = 56,439.75 : x
2. Step 2: Convert to fraction form
   25,442.25/56,439.75 = 56,439.75/x
3. Step 3: Cross multiply
   25,442.25x = 56,439.75 × 56,439.75
4. Step 4: Simplify right side
   25,442.25x = 3,185,445,380.06
5. Step 5: Solve for x
   x = 3,185,445,380.06/25,442.25
6. Step 6: Final answer
   x = 125,202.97