Finding the Third Proportional to 11,920 and 16,256

Step by Step Solution

1. Step 1: Write the proportion equation
   11,920 : 16,256 = 16,256 : x
2. Step 2: Convert to fraction form
   11,920/16,256 = 16,256/x
3. Step 3: Cross multiply
   11,920x = 16,256 × 16,256
4. Step 4: Simplify right side
   11,920x = 264,257,536
5. Step 5: Solve for x
   x = 264,257,536/11,920
6. Step 6: Final answer
   x = 22,169.26