Finding the Third Proportional to 404.91 and 885.56

Step by Step Solution

1. Step 1: Write the proportion equation
   404.91 : 885.56 = 885.56 : x
2. Step 2: Convert to fraction form
   404.91/885.56 = 885.56/x
3. Step 3: Cross multiply
   404.91x = 885.56 × 885.56
4. Step 4: Simplify right side
   404.91x = 784,220.94
5. Step 5: Solve for x
   x = 784,220.94/404.91
6. Step 6: Final answer
   x = 1,936.80