Finding the Third Proportional to 155,336 and 333,328

Step by Step Solution

1. Step 1: Write the proportion equation
   155,336 : 333,328 = 333,328 : x
2. Step 2: Convert to fraction form
   155,336/333,328 = 333,328/x
3. Step 3: Cross multiply
   155,336x = 333,328 × 333,328
4. Step 4: Simplify right side
   155,336x = 111,107,555,584
5. Step 5: Solve for x
   x = 111,107,555,584/155,336
6. Step 6: Final answer
   x = 715,272.41