Finding the Third Proportional to 12,016 and 18,872

Step by Step Solution

1. Step 1: Write the proportion equation
   12,016 : 18,872 = 18,872 : x
2. Step 2: Convert to fraction form
   12,016/18,872 = 18,872/x
3. Step 3: Cross multiply
   12,016x = 18,872 × 18,872
4. Step 4: Simplify right side
   12,016x = 356,152,384
5. Step 5: Solve for x
   x = 356,152,384/12,016
6. Step 6: Final answer
   x = 29,639.85