Finding the Third Proportional to 186,206 and 404,812

Step by Step Solution

1. Step 1: Write the proportion equation
   186,206 : 404,812 = 404,812 : x
2. Step 2: Convert to fraction form
   186,206/404,812 = 404,812/x
3. Step 3: Cross multiply
   186,206x = 404,812 × 404,812
4. Step 4: Simplify right side
   186,206x = 163,872,755,344
5. Step 5: Solve for x
   x = 163,872,755,344/186,206
6. Step 6: Final answer
   x = 880,061.63