Finding the Third Proportional to 25,800.75 and 55,811.25

Step by Step Solution

1. Step 1: Write the proportion equation
   25,800.75 : 55,811.25 = 55,811.25 : x
2. Step 2: Convert to fraction form
   25,800.75/55,811.25 = 55,811.25/x
3. Step 3: Cross multiply
   25,800.75x = 55,811.25 × 55,811.25
4. Step 4: Simplify right side
   25,800.75x = 3,114,895,626.56
5. Step 5: Solve for x
   x = 3,114,895,626.56/25,800.75
6. Step 6: Final answer
   x = 120,728.88