Finding the Third Proportional to 191,072 and 404,902

Step by Step Solution

1. Step 1: Write the proportion equation
   191,072 : 404,902 = 404,902 : x
2. Step 2: Convert to fraction form
   191,072/404,902 = 404,902/x
3. Step 3: Cross multiply
   191,072x = 404,902 × 404,902
4. Step 4: Simplify right side
   191,072x = 163,945,629,604
5. Step 5: Solve for x
   x = 163,945,629,604/191,072
6. Step 6: Final answer
   x = 858,030.64