Finding the Third Proportional to 404,658 and 886,410

Step by Step Solution

1. Step 1: Write the proportion equation
   404,658 : 886,410 = 886,410 : x
2. Step 2: Convert to fraction form
   404,658/886,410 = 886,410/x
3. Step 3: Cross multiply
   404,658x = 886,410 × 886,410
4. Step 4: Simplify right side
   404,658x = 785,722,688,100
5. Step 5: Solve for x
   x = 785,722,688,100/404,658
6. Step 6: Final answer
   x = 1,941,695.67