Finding the Third Proportional to 25,739.25 and 56,399.25

Step by Step Solution

1. Step 1: Write the proportion equation
   25,739.25 : 56,399.25 = 56,399.25 : x
2. Step 2: Convert to fraction form
   25,739.25/56,399.25 = 56,399.25/x
3. Step 3: Cross multiply
   25,739.25x = 56,399.25 × 56,399.25
4. Step 4: Simplify right side
   25,739.25x = 3,180,875,400.56
5. Step 5: Solve for x
   x = 3,180,875,400.56/25,739.25
6. Step 6: Final answer
   x = 123,580.73