Finding the Third Proportional to 198,308.50 and 302,110

Step by Step Solution

1. Step 1: Write the proportion equation
   198,308.50 : 302,110 = 302,110 : x
2. Step 2: Convert to fraction form
   198,308.50/302,110 = 302,110/x
3. Step 3: Cross multiply
   198,308.50x = 302,110 × 302,110
4. Step 4: Simplify right side
   198,308.50x = 91,270,452,100
5. Step 5: Solve for x
   x = 91,270,452,100/198,308.50
6. Step 6: Final answer
   x = 460,244.78