Finding the Third Proportional to 25,120 and 54,800

Step by Step Solution

1. Step 1: Write the proportion equation
   25,120 : 54,800 = 54,800 : x
2. Step 2: Convert to fraction form
   25,120/54,800 = 54,800/x
3. Step 3: Cross multiply
   25,120x = 54,800 × 54,800
4. Step 4: Simplify right side
   25,120x = 3,003,040,000
5. Step 5: Solve for x
   x = 3,003,040,000/25,120
6. Step 6: Final answer
   x = 119,547.77