Finding the Third Proportional to 191,074 and 404,906

Step by Step Solution

1. Step 1: Write the proportion equation
   191,074 : 404,906 = 404,906 : x
2. Step 2: Convert to fraction form
   191,074/404,906 = 404,906/x
3. Step 3: Cross multiply
   191,074x = 404,906 × 404,906
4. Step 4: Simplify right side
   191,074x = 163,948,868,836
5. Step 5: Solve for x
   x = 163,948,868,836/191,074
6. Step 6: Final answer
   x = 858,038.61