Finding the Third Proportional to 21,196 and 28,754

Step by Step Solution

1. Step 1: Write the proportion equation
   21,196 : 28,754 = 28,754 : x
2. Step 2: Convert to fraction form
   21,196/28,754 = 28,754/x
3. Step 3: Cross multiply
   21,196x = 28,754 × 28,754
4. Step 4: Simplify right side
   21,196x = 826,792,516
5. Step 5: Solve for x
   x = 826,792,516/21,196
6. Step 6: Final answer
   x = 39,007.01