Finding the Third Proportional to 1,708.59 and 3,578.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,708.59 : 3,578.55 = 3,578.55 : x
2. Step 2: Convert to fraction form
   1,708.59/3,578.55 = 3,578.55/x
3. Step 3: Cross multiply
   1,708.59x = 3,578.55 × 3,578.55
4. Step 4: Simplify right side
   1,708.59x = 12,806,053.65
5. Step 5: Solve for x
   x = 12,806,053.65/1,708.59
6. Step 6: Final answer
   x = 7,495.08