Finding the Third Proportional to 431,123 and 906,895

Step by Step Solution

1. Step 1: Write the proportion equation
   431,123 : 906,895 = 906,895 : x
2. Step 2: Convert to fraction form
   431,123/906,895 = 906,895/x
3. Step 3: Cross multiply
   431,123x = 906,895 × 906,895
4. Step 4: Simplify right side
   431,123x = 822,458,541,025
5. Step 5: Solve for x
   x = 822,458,541,025/431,123
6. Step 6: Final answer
   x = 1,907,712.05