Finding the Third Proportional to 404,612 and 885,420

Step by Step Solution

1. Step 1: Write the proportion equation
   404,612 : 885,420 = 885,420 : x
2. Step 2: Convert to fraction form
   404,612/885,420 = 885,420/x
3. Step 3: Cross multiply
   404,612x = 885,420 × 885,420
4. Step 4: Simplify right side
   404,612x = 783,968,576,400
5. Step 5: Solve for x
   x = 783,968,576,400/404,612
6. Step 6: Final answer
   x = 1,937,581.13