Finding the Third Proportional to 21,920 and 31,016

Step by Step Solution

1. Step 1: Write the proportion equation
   21,920 : 31,016 = 31,016 : x
2. Step 2: Convert to fraction form
   21,920/31,016 = 31,016/x
3. Step 3: Cross multiply
   21,920x = 31,016 × 31,016
4. Step 4: Simplify right side
   21,920x = 961,992,256
5. Step 5: Solve for x
   x = 961,992,256/21,920
6. Step 6: Final answer
   x = 43,886.51