Finding the Third Proportional to 25,728 and 55,668

Step by Step Solution

1. Step 1: Write the proportion equation
   25,728 : 55,668 = 55,668 : x
2. Step 2: Convert to fraction form
   25,728/55,668 = 55,668/x
3. Step 3: Cross multiply
   25,728x = 55,668 × 55,668
4. Step 4: Simplify right side
   25,728x = 3,098,926,224
5. Step 5: Solve for x
   x = 3,098,926,224/25,728
6. Step 6: Final answer
   x = 120,449.56