Finding the Third Proportional to 25,643.25 and 57,871.13

Step by Step Solution

1. Step 1: Write the proportion equation
   25,643.25 : 57,871.13 = 57,871.13 : x
2. Step 2: Convert to fraction form
   25,643.25/57,871.13 = 57,871.13/x
3. Step 3: Cross multiply
   25,643.25x = 57,871.13 × 57,871.13
4. Step 4: Simplify right side
   25,643.25x = 3,349,067,108.77
5. Step 5: Solve for x
   x = 3,349,067,108.77/25,643.25
6. Step 6: Final answer
   x = 130,602.29