Finding the Third Proportional to 6,987.50 and 10,571.25

Step by Step Solution

1. Step 1: Write the proportion equation
   6,987.50 : 10,571.25 = 10,571.25 : x
2. Step 2: Convert to fraction form
   6,987.50/10,571.25 = 10,571.25/x
3. Step 3: Cross multiply
   6,987.50x = 10,571.25 × 10,571.25
4. Step 4: Simplify right side
   6,987.50x = 111,751,326.56
5. Step 5: Solve for x
   x = 111,751,326.56/6,987.50
6. Step 6: Final answer
   x = 15,993.03