Finding the Third Proportional to 17,613 and 21,267

Step by Step Solution

1. Step 1: Write the proportion equation
   17,613 : 21,267 = 21,267 : x
2. Step 2: Convert to fraction form
   17,613/21,267 = 21,267/x
3. Step 3: Cross multiply
   17,613x = 21,267 × 21,267
4. Step 4: Simplify right side
   17,613x = 452,285,289
5. Step 5: Solve for x
   x = 452,285,289/17,613
6. Step 6: Final answer
   x = 25,679.06