Finding the Third Proportional to 20,920 and 30,682

Step by Step Solution

1. Step 1: Write the proportion equation
   20,920 : 30,682 = 30,682 : x
2. Step 2: Convert to fraction form
   20,920/30,682 = 30,682/x
3. Step 3: Cross multiply
   20,920x = 30,682 × 30,682
4. Step 4: Simplify right side
   20,920x = 941,385,124
5. Step 5: Solve for x
   x = 941,385,124/20,920
6. Step 6: Final answer
   x = 44,999.29