Finding the Third Proportional to 404.72 and 873.42

Step by Step Solution

1. Step 1: Write the proportion equation
   404.72 : 873.42 = 873.42 : x
2. Step 2: Convert to fraction form
   404.72/873.42 = 873.42/x
3. Step 3: Cross multiply
   404.72x = 873.42 × 873.42
4. Step 4: Simplify right side
   404.72x = 762,865.77
5. Step 5: Solve for x
   x = 762,865.77/404.72
6. Step 6: Final answer
   x = 1,884.93