Finding the Third Proportional to 190,992 and 404,751

Step by Step Solution

1. Step 1: Write the proportion equation
   190,992 : 404,751 = 404,751 : x
2. Step 2: Convert to fraction form
   190,992/404,751 = 404,751/x
3. Step 3: Cross multiply
   190,992x = 404,751 × 404,751
4. Step 4: Simplify right side
   190,992x = 163,823,372,001
5. Step 5: Solve for x
   x = 163,823,372,001/190,992
6. Step 6: Final answer
   x = 857,749.92