Finding the Third Proportional to 1,072.69 and 1,708.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,072.69 : 1,708.03 = 1,708.03 : x
2. Step 2: Convert to fraction form
   1,072.69/1,708.03 = 1,708.03/x
3. Step 3: Cross multiply
   1,072.69x = 1,708.03 × 1,708.03
4. Step 4: Simplify right side
   1,072.69x = 2,917,370.75
5. Step 5: Solve for x
   x = 2,917,370.75/1,072.69
6. Step 6: Final answer
   x = 2,719.68