Finding the Third Proportional to 190,994 and 404,756

Step by Step Solution

1. Step 1: Write the proportion equation
   190,994 : 404,756 = 404,756 : x
2. Step 2: Convert to fraction form
   190,994/404,756 = 404,756/x
3. Step 3: Cross multiply
   190,994x = 404,756 × 404,756
4. Step 4: Simplify right side
   190,994x = 163,827,419,536
5. Step 5: Solve for x
   x = 163,827,419,536/190,994
6. Step 6: Final answer
   x = 857,762.13