Finding the Third Proportional to 682 and 1,081.25

Step by Step Solution

1. Step 1: Write the proportion equation
   682 : 1,081.25 = 1,081.25 : x
2. Step 2: Convert to fraction form
   682/1,081.25 = 1,081.25/x
3. Step 3: Cross multiply
   682x = 1,081.25 × 1,081.25
4. Step 4: Simplify right side
   682x = 1,169,101.56
5. Step 5: Solve for x
   x = 1,169,101.56/682
6. Step 6: Final answer
   x = 1,714.23