Finding the Third Proportional to 718.03 and 1,696.78

Step by Step Solution

1. Step 1: Write the proportion equation
   718.03 : 1,696.78 = 1,696.78 : x
2. Step 2: Convert to fraction form
   718.03/1,696.78 = 1,696.78/x
3. Step 3: Cross multiply
   718.03x = 1,696.78 × 1,696.78
4. Step 4: Simplify right side
   718.03x = 2,879,066.61
5. Step 5: Solve for x
   x = 2,879,066.61/718.03
6. Step 6: Final answer
   x = 4,009.67