Finding the Third Proportional to 12,204 and 16,488

Step by Step Solution

1. Step 1: Write the proportion equation
   12,204 : 16,488 = 16,488 : x
2. Step 2: Convert to fraction form
   12,204/16,488 = 16,488/x
3. Step 3: Cross multiply
   12,204x = 16,488 × 16,488
4. Step 4: Simplify right side
   12,204x = 271,854,144
5. Step 5: Solve for x
   x = 271,854,144/12,204
6. Step 6: Final answer
   x = 22,275.82