Finding the Third Proportional to 199,648.50 and 301,548

Step by Step Solution

1. Step 1: Write the proportion equation
   199,648.50 : 301,548 = 301,548 : x
2. Step 2: Convert to fraction form
   199,648.50/301,548 = 301,548/x
3. Step 3: Cross multiply
   199,648.50x = 301,548 × 301,548
4. Step 4: Simplify right side
   199,648.50x = 90,931,196,304
5. Step 5: Solve for x
   x = 90,931,196,304/199,648.50
6. Step 6: Final answer
   x = 455,456.45