Finding the Third Proportional to 708.50 and 1,084

Step by Step Solution

1. Step 1: Write the proportion equation
   708.50 : 1,084 = 1,084 : x
2. Step 2: Convert to fraction form
   708.50/1,084 = 1,084/x
3. Step 3: Cross multiply
   708.50x = 1,084 × 1,084
4. Step 4: Simplify right side
   708.50x = 1,175,056
5. Step 5: Solve for x
   x = 1,175,056/708.50
6. Step 6: Final answer
   x = 1,658.51