Finding the Third Proportional to 153.98 and 333.60

Step by Step Solution

1. Step 1: Write the proportion equation
   153.98 : 333.60 = 333.60 : x
2. Step 2: Convert to fraction form
   153.98/333.60 = 333.60/x
3. Step 3: Cross multiply
   153.98x = 333.60 × 333.60
4. Step 4: Simplify right side
   153.98x = 111,287.40
5. Step 5: Solve for x
   x = 111,287.40/153.98
6. Step 6: Final answer
   x = 722.72