Finding the Third Proportional to 190,998 and 404,762

Step by Step Solution

1. Step 1: Write the proportion equation
   190,998 : 404,762 = 404,762 : x
2. Step 2: Convert to fraction form
   190,998/404,762 = 404,762/x
3. Step 3: Cross multiply
   190,998x = 404,762 × 404,762
4. Step 4: Simplify right side
   190,998x = 163,832,276,644
5. Step 5: Solve for x
   x = 163,832,276,644/190,998
6. Step 6: Final answer
   x = 857,769.59