Finding the Third Proportional to 2,608 and 5,318

Step by Step Solution

1. Step 1: Write the proportion equation
   2,608 : 5,318 = 5,318 : x
2. Step 2: Convert to fraction form
   2,608/5,318 = 5,318/x
3. Step 3: Cross multiply
   2,608x = 5,318 × 5,318
4. Step 4: Simplify right side
   2,608x = 28,281,124
5. Step 5: Solve for x
   x = 28,281,124/2,608
6. Step 6: Final answer
   x = 10,843.99