Finding the Third Proportional to 1,080.38 and 1,672.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,080.38 : 1,672.69 = 1,672.69 : x
2. Step 2: Convert to fraction form
   1,080.38/1,672.69 = 1,672.69/x
3. Step 3: Cross multiply
   1,080.38x = 1,672.69 × 1,672.69
4. Step 4: Simplify right side
   1,080.38x = 2,797,883.47
5. Step 5: Solve for x
   x = 2,797,883.47/1,080.38
6. Step 6: Final answer
   x = 2,589.73