Finding the Third Proportional to 21,675 and 28,314

Step by Step Solution

1. Step 1: Write the proportion equation
   21,675 : 28,314 = 28,314 : x
2. Step 2: Convert to fraction form
   21,675/28,314 = 28,314/x
3. Step 3: Cross multiply
   21,675x = 28,314 × 28,314
4. Step 4: Simplify right side
   21,675x = 801,682,596
5. Step 5: Solve for x
   x = 801,682,596/21,675
6. Step 6: Final answer
   x = 36,986.51