Finding the Third Proportional to 186,820 and 404,744

Step by Step Solution

1. Step 1: Write the proportion equation
   186,820 : 404,744 = 404,744 : x
2. Step 2: Convert to fraction form
   186,820/404,744 = 404,744/x
3. Step 3: Cross multiply
   186,820x = 404,744 × 404,744
4. Step 4: Simplify right side
   186,820x = 163,817,705,536
5. Step 5: Solve for x
   x = 163,817,705,536/186,820
6. Step 6: Final answer
   x = 876,874.56