Finding the Third Proportional to 155,328 and 333,312

Step by Step Solution

1. Step 1: Write the proportion equation
   155,328 : 333,312 = 333,312 : x
2. Step 2: Convert to fraction form
   155,328/333,312 = 333,312/x
3. Step 3: Cross multiply
   155,328x = 333,312 × 333,312
4. Step 4: Simplify right side
   155,328x = 111,096,889,344
5. Step 5: Solve for x
   x = 111,096,889,344/155,328
6. Step 6: Final answer
   x = 715,240.58