Finding the Third Proportional to 658.69 and 1,340.16

Step by Step Solution

1. Step 1: Write the proportion equation
   658.69 : 1,340.16 = 1,340.16 : x
2. Step 2: Convert to fraction form
   658.69/1,340.16 = 1,340.16/x
3. Step 3: Cross multiply
   658.69x = 1,340.16 × 1,340.16
4. Step 4: Simplify right side
   658.69x = 1,796,018.77
5. Step 5: Solve for x
   x = 1,796,018.77/658.69
6. Step 6: Final answer
   x = 2,726.66