Finding the Third Proportional to 3,012.75 and 3,289.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,012.75 : 3,289.50 = 3,289.50 : x
2. Step 2: Convert to fraction form
   3,012.75/3,289.50 = 3,289.50/x
3. Step 3: Cross multiply
   3,012.75x = 3,289.50 × 3,289.50
4. Step 4: Simplify right side
   3,012.75x = 10,820,810.25
5. Step 5: Solve for x
   x = 10,820,810.25/3,012.75
6. Step 6: Final answer
   x = 3,591.67