Finding the Third Proportional to 155,238 and 335,388

Step by Step Solution

1. Step 1: Write the proportion equation
   155,238 : 335,388 = 335,388 : x
2. Step 2: Convert to fraction form
   155,238/335,388 = 335,388/x
3. Step 3: Cross multiply
   155,238x = 335,388 × 335,388
4. Step 4: Simplify right side
   155,238x = 112,485,110,544
5. Step 5: Solve for x
   x = 112,485,110,544/155,238
6. Step 6: Final answer
   x = 724,597.78