Finding the Third Proportional to 11,215 and 25,849

Step by Step Solution

1. Step 1: Write the proportion equation
   11,215 : 25,849 = 25,849 : x
2. Step 2: Convert to fraction form
   11,215/25,849 = 25,849/x
3. Step 3: Cross multiply
   11,215x = 25,849 × 25,849
4. Step 4: Simplify right side
   11,215x = 668,170,801
5. Step 5: Solve for x
   x = 668,170,801/11,215
6. Step 6: Final answer
   x = 59,578.31