Finding the Third Proportional to 2,407 and 5,105

Step by Step Solution

1. Step 1: Write the proportion equation
   2,407 : 5,105 = 5,105 : x
2. Step 2: Convert to fraction form
   2,407/5,105 = 5,105/x
3. Step 3: Cross multiply
   2,407x = 5,105 × 5,105
4. Step 4: Simplify right side
   2,407x = 26,061,025
5. Step 5: Solve for x
   x = 26,061,025/2,407
6. Step 6: Final answer
   x = 10,827.18