Finding the Third Proportional to 1,323.75 and 3,077.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,323.75 : 3,077.72 = 3,077.72 : x
2. Step 2: Convert to fraction form
   1,323.75/3,077.72 = 3,077.72/x
3. Step 3: Cross multiply
   1,323.75x = 3,077.72 × 3,077.72
4. Step 4: Simplify right side
   1,323.75x = 9,472,352.70
5. Step 5: Solve for x
   x = 9,472,352.70/1,323.75
6. Step 6: Final answer
   x = 7,155.70