Finding the Third Proportional to 404.16 and 931.92

Step by Step Solution

1. Step 1: Write the proportion equation
   404.16 : 931.92 = 931.92 : x
2. Step 2: Convert to fraction form
   404.16/931.92 = 931.92/x
3. Step 3: Cross multiply
   404.16x = 931.92 × 931.92
4. Step 4: Simplify right side
   404.16x = 868,478.38
5. Step 5: Solve for x
   x = 868,478.38/404.16
6. Step 6: Final answer
   x = 2,148.87