Finding the Third Proportional to 6,709.50 and 9,150.75

Step by Step Solution

1. Step 1: Write the proportion equation
   6,709.50 : 9,150.75 = 9,150.75 : x
2. Step 2: Convert to fraction form
   6,709.50/9,150.75 = 9,150.75/x
3. Step 3: Cross multiply
   6,709.50x = 9,150.75 × 9,150.75
4. Step 4: Simplify right side
   6,709.50x = 83,736,225.56
5. Step 5: Solve for x
   x = 83,736,225.56/6,709.50
6. Step 6: Final answer
   x = 12,480.25