Finding the Third Proportional to 6,911.25 and 10,424.16

Step by Step Solution

1. Step 1: Write the proportion equation
   6,911.25 : 10,424.16 = 10,424.16 : x
2. Step 2: Convert to fraction form
   6,911.25/10,424.16 = 10,424.16/x
3. Step 3: Cross multiply
   6,911.25x = 10,424.16 × 10,424.16
4. Step 4: Simplify right side
   6,911.25x = 108,663,033.52
5. Step 5: Solve for x
   x = 108,663,033.52/6,911.25
6. Step 6: Final answer
   x = 15,722.63