Finding the Third Proportional to 25,315.31 and 55,398.38

Step by Step Solution

1. Step 1: Write the proportion equation
   25,315.31 : 55,398.38 = 55,398.38 : x
2. Step 2: Convert to fraction form
   25,315.31/55,398.38 = 55,398.38/x
3. Step 3: Cross multiply
   25,315.31x = 55,398.38 × 55,398.38
4. Step 4: Simplify right side
   25,315.31x = 3,068,979,952.64
5. Step 5: Solve for x
   x = 3,068,979,952.64/25,315.31
6. Step 6: Final answer
   x = 121,230.18