Finding the Third Proportional to 3,510 and 7,480.69

Step by Step Solution

1. Step 1: Write the proportion equation
   3,510 : 7,480.69 = 7,480.69 : x
2. Step 2: Convert to fraction form
   3,510/7,480.69 = 7,480.69/x
3. Step 3: Cross multiply
   3,510x = 7,480.69 × 7,480.69
4. Step 4: Simplify right side
   3,510x = 55,960,685.47
5. Step 5: Solve for x
   x = 55,960,685.47/3,510
6. Step 6: Final answer
   x = 15,943.22