Finding the Third Proportional to 404,890 and 886,054

Step by Step Solution

1. Step 1: Write the proportion equation
   404,890 : 886,054 = 886,054 : x
2. Step 2: Convert to fraction form
   404,890/886,054 = 886,054/x
3. Step 3: Cross multiply
   404,890x = 886,054 × 886,054
4. Step 4: Simplify right side
   404,890x = 785,091,690,916
5. Step 5: Solve for x
   x = 785,091,690,916/404,890
6. Step 6: Final answer
   x = 1,939,024.65