Finding the Third Proportional to 21,648 and 44,320

Step by Step Solution

1. Step 1: Write the proportion equation
   21,648 : 44,320 = 44,320 : x
2. Step 2: Convert to fraction form
   21,648/44,320 = 44,320/x
3. Step 3: Cross multiply
   21,648x = 44,320 × 44,320
4. Step 4: Simplify right side
   21,648x = 1,964,262,400
5. Step 5: Solve for x
   x = 1,964,262,400/21,648
6. Step 6: Final answer
   x = 90,736.44