Finding the Third Proportional to 874.25 and 1,789

Step by Step Solution

1. Step 1: Write the proportion equation
   874.25 : 1,789 = 1,789 : x
2. Step 2: Convert to fraction form
   874.25/1,789 = 1,789/x
3. Step 3: Cross multiply
   874.25x = 1,789 × 1,789
4. Step 4: Simplify right side
   874.25x = 3,200,521
5. Step 5: Solve for x
   x = 3,200,521/874.25
6. Step 6: Final answer
   x = 3,660.88