Finding the Third Proportional to 21,336 and 28,524

Step by Step Solution

1. Step 1: Write the proportion equation
   21,336 : 28,524 = 28,524 : x
2. Step 2: Convert to fraction form
   21,336/28,524 = 28,524/x
3. Step 3: Cross multiply
   21,336x = 28,524 × 28,524
4. Step 4: Simplify right side
   21,336x = 813,618,576
5. Step 5: Solve for x
   x = 813,618,576/21,336
6. Step 6: Final answer
   x = 38,133.60