Finding the Third Proportional to 199,616.50 and 301,504

Step by Step Solution

1. Step 1: Write the proportion equation
   199,616.50 : 301,504 = 301,504 : x
2. Step 2: Convert to fraction form
   199,616.50/301,504 = 301,504/x
3. Step 3: Cross multiply
   199,616.50x = 301,504 × 301,504
4. Step 4: Simplify right side
   199,616.50x = 90,904,662,016
5. Step 5: Solve for x
   x = 90,904,662,016/199,616.50
6. Step 6: Final answer
   x = 455,396.53