Finding the Third Proportional to 12,216 and 17,484

Step by Step Solution

1. Step 1: Write the proportion equation
   12,216 : 17,484 = 17,484 : x
2. Step 2: Convert to fraction form
   12,216/17,484 = 17,484/x
3. Step 3: Cross multiply
   12,216x = 17,484 × 17,484
4. Step 4: Simplify right side
   12,216x = 305,690,256
5. Step 5: Solve for x
   x = 305,690,256/12,216
6. Step 6: Final answer
   x = 25,023.76