Finding the Third Proportional to 12,212 and 16,500

Step by Step Solution

1. Step 1: Write the proportion equation
   12,212 : 16,500 = 16,500 : x
2. Step 2: Convert to fraction form
   12,212/16,500 = 16,500/x
3. Step 3: Cross multiply
   12,212x = 16,500 × 16,500
4. Step 4: Simplify right side
   12,212x = 272,250,000
5. Step 5: Solve for x
   x = 272,250,000/12,212
6. Step 6: Final answer
   x = 22,293.65