Finding the Third Proportional to 21,472 and 33,516

Step by Step Solution

1. Step 1: Write the proportion equation
   21,472 : 33,516 = 33,516 : x
2. Step 2: Convert to fraction form
   21,472/33,516 = 33,516/x
3. Step 3: Cross multiply
   21,472x = 33,516 × 33,516
4. Step 4: Simplify right side
   21,472x = 1,123,322,256
5. Step 5: Solve for x
   x = 1,123,322,256/21,472
6. Step 6: Final answer
   x = 52,315.68