Finding the Third Proportional to 153,742 and 333,728

Step by Step Solution

1. Step 1: Write the proportion equation
   153,742 : 333,728 = 333,728 : x
2. Step 2: Convert to fraction form
   153,742/333,728 = 333,728/x
3. Step 3: Cross multiply
   153,742x = 333,728 × 333,728
4. Step 4: Simplify right side
   153,742x = 111,374,377,984
5. Step 5: Solve for x
   x = 111,374,377,984/153,742
6. Step 6: Final answer
   x = 724,423.89