Finding the Third Proportional to 200,560 and 300,884

Step by Step Solution

1. Step 1: Write the proportion equation
   200,560 : 300,884 = 300,884 : x
2. Step 2: Convert to fraction form
   200,560/300,884 = 300,884/x
3. Step 3: Cross multiply
   200,560x = 300,884 × 300,884
4. Step 4: Simplify right side
   200,560x = 90,531,181,456
5. Step 5: Solve for x
   x = 90,531,181,456/200,560
6. Step 6: Final answer
   x = 451,392.01