Finding the Third Proportional to 25,740.50 and 56,401.50

Step by Step Solution

1. Step 1: Write the proportion equation
   25,740.50 : 56,401.50 = 56,401.50 : x
2. Step 2: Convert to fraction form
   25,740.50/56,401.50 = 56,401.50/x
3. Step 3: Cross multiply
   25,740.50x = 56,401.50 × 56,401.50
4. Step 4: Simplify right side
   25,740.50x = 3,181,129,202.25
5. Step 5: Solve for x
   x = 3,181,129,202.25/25,740.50
6. Step 6: Final answer
   x = 123,584.59