Finding the Third Proportional to 1,367.72 and 3,000.80

Step by Step Solution

1. Step 1: Write the proportion equation
   1,367.72 : 3,000.80 = 3,000.80 : x
2. Step 2: Convert to fraction form
   1,367.72/3,000.80 = 3,000.80/x
3. Step 3: Cross multiply
   1,367.72x = 3,000.80 × 3,000.80
4. Step 4: Simplify right side
   1,367.72x = 9,004,781.89
5. Step 5: Solve for x
   x = 9,004,781.89/1,367.72
6. Step 6: Final answer
   x = 6,583.80