Finding the Third Proportional to 200,920 and 303,981

Step by Step Solution

1. Step 1: Write the proportion equation
   200,920 : 303,981 = 303,981 : x
2. Step 2: Convert to fraction form
   200,920/303,981 = 303,981/x
3. Step 3: Cross multiply
   200,920x = 303,981 × 303,981
4. Step 4: Simplify right side
   200,920x = 92,404,448,361
5. Step 5: Solve for x
   x = 92,404,448,361/200,920
6. Step 6: Final answer
   x = 459,906.67