Finding the Third Proportional to 25,315 and 55,395

Step by Step Solution

1. Step 1: Write the proportion equation
   25,315 : 55,395 = 55,395 : x
2. Step 2: Convert to fraction form
   25,315/55,395 = 55,395/x
3. Step 3: Cross multiply
   25,315x = 55,395 × 55,395
4. Step 4: Simplify right side
   25,315x = 3,068,606,025
5. Step 5: Solve for x
   x = 3,068,606,025/25,315
6. Step 6: Final answer
   x = 121,216.91