Finding the Third Proportional to 757.94 and 1,170.72

Step by Step Solution

1. Step 1: Write the proportion equation
   757.94 : 1,170.72 = 1,170.72 : x
2. Step 2: Convert to fraction form
   757.94/1,170.72 = 1,170.72/x
3. Step 3: Cross multiply
   757.94x = 1,170.72 × 1,170.72
4. Step 4: Simplify right side
   757.94x = 1,370,582.39
5. Step 5: Solve for x
   x = 1,370,582.39/757.94
6. Step 6: Final answer
   x = 1,808.31