Finding the Third Proportional to 21,648 and 28,944

Step by Step Solution

1. Step 1: Write the proportion equation
   21,648 : 28,944 = 28,944 : x
2. Step 2: Convert to fraction form
   21,648/28,944 = 28,944/x
3. Step 3: Cross multiply
   21,648x = 28,944 × 28,944
4. Step 4: Simplify right side
   21,648x = 837,755,136
5. Step 5: Solve for x
   x = 837,755,136/21,648
6. Step 6: Final answer
   x = 38,698.96