Finding the Third Proportional to 25,443 and 38,920

Step by Step Solution

1. Step 1: Write the proportion equation
   25,443 : 38,920 = 38,920 : x
2. Step 2: Convert to fraction form
   25,443/38,920 = 38,920/x
3. Step 3: Cross multiply
   25,443x = 38,920 × 38,920
4. Step 4: Simplify right side
   25,443x = 1,514,766,400
5. Step 5: Solve for x
   x = 1,514,766,400/25,443
6. Step 6: Final answer
   x = 59,535.68