Finding the Third Proportional to 5,517 and 10,908

Step by Step Solution

1. Step 1: Write the proportion equation
   5,517 : 10,908 = 10,908 : x
2. Step 2: Convert to fraction form
   5,517/10,908 = 10,908/x
3. Step 3: Cross multiply
   5,517x = 10,908 × 10,908
4. Step 4: Simplify right side
   5,517x = 118,984,464
5. Step 5: Solve for x
   x = 118,984,464/5,517
6. Step 6: Final answer
   x = 21,566.88