Finding the Third Proportional to 25,759 and 56,439

Step by Step Solution

1. Step 1: Write the proportion equation
   25,759 : 56,439 = 56,439 : x
2. Step 2: Convert to fraction form
   25,759/56,439 = 56,439/x
3. Step 3: Cross multiply
   25,759x = 56,439 × 56,439
4. Step 4: Simplify right side
   25,759x = 3,185,360,721
5. Step 5: Solve for x
   x = 3,185,360,721/25,759
6. Step 6: Final answer
   x = 123,660.11