Finding the Third Proportional to 403.45 and 874.83

Step by Step Solution

1. Step 1: Write the proportion equation
   403.45 : 874.83 = 874.83 : x
2. Step 2: Convert to fraction form
   403.45/874.83 = 874.83/x
3. Step 3: Cross multiply
   403.45x = 874.83 × 874.83
4. Step 4: Simplify right side
   403.45x = 765,324.25
5. Step 5: Solve for x
   x = 765,324.25/403.45
6. Step 6: Final answer
   x = 1,896.93