Finding the Third Proportional to 10,900 and 17,281

Step by Step Solution

1. Step 1: Write the proportion equation
   10,900 : 17,281 = 17,281 : x
2. Step 2: Convert to fraction form
   10,900/17,281 = 17,281/x
3. Step 3: Cross multiply
   10,900x = 17,281 × 17,281
4. Step 4: Simplify right side
   10,900x = 298,632,961
5. Step 5: Solve for x
   x = 298,632,961/10,900
6. Step 6: Final answer
   x = 27,397.52