Finding the Third Proportional to 2,627 and 5,218

Step by Step Solution

1. Step 1: Write the proportion equation
   2,627 : 5,218 = 5,218 : x
2. Step 2: Convert to fraction form
   2,627/5,218 = 5,218/x
3. Step 3: Cross multiply
   2,627x = 5,218 × 5,218
4. Step 4: Simplify right side
   2,627x = 27,227,524
5. Step 5: Solve for x
   x = 27,227,524/2,627
6. Step 6: Final answer
   x = 10,364.49