Finding the Third Proportional to 25,891.50 and 56,629.50

Step by Step Solution

1. Step 1: Write the proportion equation
   25,891.50 : 56,629.50 = 56,629.50 : x
2. Step 2: Convert to fraction form
   25,891.50/56,629.50 = 56,629.50/x
3. Step 3: Cross multiply
   25,891.50x = 56,629.50 × 56,629.50
4. Step 4: Simplify right side
   25,891.50x = 3,206,900,270.25
5. Step 5: Solve for x
   x = 3,206,900,270.25/25,891.50
6. Step 6: Final answer
   x = 123,859.19