Finding the Third Proportional to 12,216 and 25,080

Step by Step Solution

1. Step 1: Write the proportion equation
   12,216 : 25,080 = 25,080 : x
2. Step 2: Convert to fraction form
   12,216/25,080 = 25,080/x
3. Step 3: Cross multiply
   12,216x = 25,080 × 25,080
4. Step 4: Simplify right side
   12,216x = 629,006,400
5. Step 5: Solve for x
   x = 629,006,400/12,216
6. Step 6: Final answer
   x = 51,490.37