Finding the Third Proportional to 874.55 and 945.42

Step by Step Solution

1. Step 1: Write the proportion equation
   874.55 : 945.42 = 945.42 : x
2. Step 2: Convert to fraction form
   874.55/945.42 = 945.42/x
3. Step 3: Cross multiply
   874.55x = 945.42 × 945.42
4. Step 4: Simplify right side
   874.55x = 893,822.52
5. Step 5: Solve for x
   x = 893,822.52/874.55
6. Step 6: Final answer
   x = 1,022.04