Finding the Third Proportional to 5,240 and 10,600

Step by Step Solution

1. Step 1: Write the proportion equation
   5,240 : 10,600 = 10,600 : x
2. Step 2: Convert to fraction form
   5,240/10,600 = 10,600/x
3. Step 3: Cross multiply
   5,240x = 10,600 × 10,600
4. Step 4: Simplify right side
   5,240x = 112,360,000
5. Step 5: Solve for x
   x = 112,360,000/5,240
6. Step 6: Final answer
   x = 21,442.75