Finding the Third Proportional to 199,615.50 and 298,635

Step by Step Solution

1. Step 1: Write the proportion equation
   199,615.50 : 298,635 = 298,635 : x
2. Step 2: Convert to fraction form
   199,615.50/298,635 = 298,635/x
3. Step 3: Cross multiply
   199,615.50x = 298,635 × 298,635
4. Step 4: Simplify right side
   199,615.50x = 89,182,863,225
5. Step 5: Solve for x
   x = 89,182,863,225/199,615.50
6. Step 6: Final answer
   x = 446,773.24