Finding the Third Proportional to 1,128.66 and 1,735.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,128.66 : 1,735.59 = 1,735.59 : x
2. Step 2: Convert to fraction form
   1,128.66/1,735.59 = 1,735.59/x
3. Step 3: Cross multiply
   1,128.66x = 1,735.59 × 1,735.59
4. Step 4: Simplify right side
   1,128.66x = 3,012,285.67
5. Step 5: Solve for x
   x = 3,012,285.67/1,128.66
6. Step 6: Final answer
   x = 2,668.91