Finding the Third Proportional to 185,420 and 404,676

Step by Step Solution

1. Step 1: Write the proportion equation
   185,420 : 404,676 = 404,676 : x
2. Step 2: Convert to fraction form
   185,420/404,676 = 404,676/x
3. Step 3: Cross multiply
   185,420x = 404,676 × 404,676
4. Step 4: Simplify right side
   185,420x = 163,762,664,976
5. Step 5: Solve for x
   x = 163,762,664,976/185,420
6. Step 6: Final answer
   x = 883,198.50