Finding the Third Proportional to 21,471 and 33,372

Step by Step Solution

1. Step 1: Write the proportion equation
   21,471 : 33,372 = 33,372 : x
2. Step 2: Convert to fraction form
   21,471/33,372 = 33,372/x
3. Step 3: Cross multiply
   21,471x = 33,372 × 33,372
4. Step 4: Simplify right side
   21,471x = 1,113,690,384
5. Step 5: Solve for x
   x = 1,113,690,384/21,471
6. Step 6: Final answer
   x = 51,869.52