Finding the Third Proportional to 302,515.50 and 660,048

Step by Step Solution

1. Step 1: Write the proportion equation
   302,515.50 : 660,048 = 660,048 : x
2. Step 2: Convert to fraction form
   302,515.50/660,048 = 660,048/x
3. Step 3: Cross multiply
   302,515.50x = 660,048 × 660,048
4. Step 4: Simplify right side
   302,515.50x = 435,663,362,304
5. Step 5: Solve for x
   x = 435,663,362,304/302,515.50
6. Step 6: Final answer
   x = 1,440,135.67