Finding the Third Proportional to 21,648 and 32,472

Step by Step Solution

1. Step 1: Write the proportion equation
   21,648 : 32,472 = 32,472 : x
2. Step 2: Convert to fraction form
   21,648/32,472 = 32,472/x
3. Step 3: Cross multiply
   21,648x = 32,472 × 32,472
4. Step 4: Simplify right side
   21,648x = 1,054,430,784
5. Step 5: Solve for x
   x = 1,054,430,784/21,648
6. Step 6: Final answer
   x = 48,708