Finding the Third Proportional to 13,632 and 20,845

Step by Step Solution

1. Step 1: Write the proportion equation
   13,632 : 20,845 = 20,845 : x
2. Step 2: Convert to fraction form
   13,632/20,845 = 20,845/x
3. Step 3: Cross multiply
   13,632x = 20,845 × 20,845
4. Step 4: Simplify right side
   13,632x = 434,514,025
5. Step 5: Solve for x
   x = 434,514,025/13,632
6. Step 6: Final answer
   x = 31,874.56