Finding the Third Proportional to 674.89 and 1,443.76

Step by Step Solution

1. Step 1: Write the proportion equation
   674.89 : 1,443.76 = 1,443.76 : x
2. Step 2: Convert to fraction form
   674.89/1,443.76 = 1,443.76/x
3. Step 3: Cross multiply
   674.89x = 1,443.76 × 1,443.76
4. Step 4: Simplify right side
   674.89x = 2,084,447.90
5. Step 5: Solve for x
   x = 2,084,447.90/674.89
6. Step 6: Final answer
   x = 3,088.55