Finding the Third Proportional to 25,643.25 and 56,328.75

Step by Step Solution

1. Step 1: Write the proportion equation
   25,643.25 : 56,328.75 = 56,328.75 : x
2. Step 2: Convert to fraction form
   25,643.25/56,328.75 = 56,328.75/x
3. Step 3: Cross multiply
   25,643.25x = 56,328.75 × 56,328.75
4. Step 4: Simplify right side
   25,643.25x = 3,172,928,076.56
5. Step 5: Solve for x
   x = 3,172,928,076.56/25,643.25
6. Step 6: Final answer
   x = 123,733.46