Finding the Third Proportional to 25,489 and 55,078

Step by Step Solution

1. Step 1: Write the proportion equation
   25,489 : 55,078 = 55,078 : x
2. Step 2: Convert to fraction form
   25,489/55,078 = 55,078/x
3. Step 3: Cross multiply
   25,489x = 55,078 × 55,078
4. Step 4: Simplify right side
   25,489x = 3,033,586,084
5. Step 5: Solve for x
   x = 3,033,586,084/25,489
6. Step 6: Final answer
   x = 119,015.50