Finding the Third Proportional to 2,629 and 5,222

Step by Step Solution

1. Step 1: Write the proportion equation
   2,629 : 5,222 = 5,222 : x
2. Step 2: Convert to fraction form
   2,629/5,222 = 5,222/x
3. Step 3: Cross multiply
   2,629x = 5,222 × 5,222
4. Step 4: Simplify right side
   2,629x = 27,269,284
5. Step 5: Solve for x
   x = 27,269,284/2,629
6. Step 6: Final answer
   x = 10,372.49