Finding the Third Proportional to 404,622 and 885,440

Step by Step Solution

1. Step 1: Write the proportion equation
   404,622 : 885,440 = 885,440 : x
2. Step 2: Convert to fraction form
   404,622/885,440 = 885,440/x
3. Step 3: Cross multiply
   404,622x = 885,440 × 885,440
4. Step 4: Simplify right side
   404,622x = 784,003,993,600
5. Step 5: Solve for x
   x = 784,003,993,600/404,622
6. Step 6: Final answer
   x = 1,937,620.78