Finding the Third Proportional to 90,504 and 195,048

Step by Step Solution

1. Step 1: Write the proportion equation
   90,504 : 195,048 = 195,048 : x
2. Step 2: Convert to fraction form
   90,504/195,048 = 195,048/x
3. Step 3: Cross multiply
   90,504x = 195,048 × 195,048
4. Step 4: Simplify right side
   90,504x = 38,043,722,304
5. Step 5: Solve for x
   x = 38,043,722,304/90,504
6. Step 6: Final answer
   x = 420,354.04