Finding the Third Proportional to 5,250 and 10,857

Step by Step Solution

1. Step 1: Write the proportion equation
   5,250 : 10,857 = 10,857 : x
2. Step 2: Convert to fraction form
   5,250/10,857 = 10,857/x
3. Step 3: Cross multiply
   5,250x = 10,857 × 10,857
4. Step 4: Simplify right side
   5,250x = 117,874,449
5. Step 5: Solve for x
   x = 117,874,449/5,250
6. Step 6: Final answer
   x = 22,452.28