Finding the Third Proportional to 21,320 and 33,372

Step by Step Solution

1. Step 1: Write the proportion equation
   21,320 : 33,372 = 33,372 : x
2. Step 2: Convert to fraction form
   21,320/33,372 = 33,372/x
3. Step 3: Cross multiply
   21,320x = 33,372 × 33,372
4. Step 4: Simplify right side
   21,320x = 1,113,690,384
5. Step 5: Solve for x
   x = 1,113,690,384/21,320
6. Step 6: Final answer
   x = 52,236.88