Finding the Third Proportional to 13,632 and 20,838

Step by Step Solution

1. Step 1: Write the proportion equation
   13,632 : 20,838 = 20,838 : x
2. Step 2: Convert to fraction form
   13,632/20,838 = 20,838/x
3. Step 3: Cross multiply
   13,632x = 20,838 × 20,838
4. Step 4: Simplify right side
   13,632x = 434,222,244
5. Step 5: Solve for x
   x = 434,222,244/13,632
6. Step 6: Final answer
   x = 31,853.16