Finding the Third Proportional to 21,824 and 33,872

Step by Step Solution

1. Step 1: Write the proportion equation
   21,824 : 33,872 = 33,872 : x
2. Step 2: Convert to fraction form
   21,824/33,872 = 33,872/x
3. Step 3: Cross multiply
   21,824x = 33,872 × 33,872
4. Step 4: Simplify right side
   21,824x = 1,147,312,384
5. Step 5: Solve for x
   x = 1,147,312,384/21,824
6. Step 6: Final answer
   x = 52,571.13