Finding the Third Proportional to 12,234 and 16,521

Step by Step Solution

1. Step 1: Write the proportion equation
   12,234 : 16,521 = 16,521 : x
2. Step 2: Convert to fraction form
   12,234/16,521 = 16,521/x
3. Step 3: Cross multiply
   12,234x = 16,521 × 16,521
4. Step 4: Simplify right side
   12,234x = 272,943,441
5. Step 5: Solve for x
   x = 272,943,441/12,234
6. Step 6: Final answer
   x = 22,310.24