Finding the Third Proportional to 1,039 and 1,601.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,039 : 1,601.69 = 1,601.69 : x
2. Step 2: Convert to fraction form
   1,039/1,601.69 = 1,601.69/x
3. Step 3: Cross multiply
   1,039x = 1,601.69 × 1,601.69
4. Step 4: Simplify right side
   1,039x = 2,565,402.85
5. Step 5: Solve for x
   x = 2,565,402.85/1,039
6. Step 6: Final answer
   x = 2,469.11