Finding the Third Proportional to 21,540 and 28,848

Step by Step Solution

1. Step 1: Write the proportion equation
   21,540 : 28,848 = 28,848 : x
2. Step 2: Convert to fraction form
   21,540/28,848 = 28,848/x
3. Step 3: Cross multiply
   21,540x = 28,848 × 28,848
4. Step 4: Simplify right side
   21,540x = 832,207,104
5. Step 5: Solve for x
   x = 832,207,104/21,540
6. Step 6: Final answer
   x = 38,635.43