Finding the Third Proportional to 12,242 and 16,167

Step by Step Solution

1. Step 1: Write the proportion equation
   12,242 : 16,167 = 16,167 : x
2. Step 2: Convert to fraction form
   12,242/16,167 = 16,167/x
3. Step 3: Cross multiply
   12,242x = 16,167 × 16,167
4. Step 4: Simplify right side
   12,242x = 261,371,889
5. Step 5: Solve for x
   x = 261,371,889/12,242
6. Step 6: Final answer
   x = 21,350.42