Finding the Third Proportional to 16,792 and 38,920

Step by Step Solution

1. Step 1: Write the proportion equation
   16,792 : 38,920 = 38,920 : x
2. Step 2: Convert to fraction form
   16,792/38,920 = 38,920/x
3. Step 3: Cross multiply
   16,792x = 38,920 × 38,920
4. Step 4: Simplify right side
   16,792x = 1,514,766,400
5. Step 5: Solve for x
   x = 1,514,766,400/16,792
6. Step 6: Final answer
   x = 90,207.62