Finding the Third Proportional to 6,648.75 and 10,712.25

Step by Step Solution

1. Step 1: Write the proportion equation
   6,648.75 : 10,712.25 = 10,712.25 : x
2. Step 2: Convert to fraction form
   6,648.75/10,712.25 = 10,712.25/x
3. Step 3: Cross multiply
   6,648.75x = 10,712.25 × 10,712.25
4. Step 4: Simplify right side
   6,648.75x = 114,752,300.06
5. Step 5: Solve for x
   x = 114,752,300.06/6,648.75
6. Step 6: Final answer
   x = 17,259.23