Finding the Third Proportional to 200,540 and 300,848

Step by Step Solution

1. Step 1: Write the proportion equation
   200,540 : 300,848 = 300,848 : x
2. Step 2: Convert to fraction form
   200,540/300,848 = 300,848/x
3. Step 3: Cross multiply
   200,540x = 300,848 × 300,848
4. Step 4: Simplify right side
   200,540x = 90,509,519,104
5. Step 5: Solve for x
   x = 90,509,519,104/200,540
6. Step 6: Final answer
   x = 451,329.01