Finding the Third Proportional to 155,330 and 333,316

Step by Step Solution

1. Step 1: Write the proportion equation
   155,330 : 333,316 = 333,316 : x
2. Step 2: Convert to fraction form
   155,330/333,316 = 333,316/x
3. Step 3: Cross multiply
   155,330x = 333,316 × 333,316
4. Step 4: Simplify right side
   155,330x = 111,099,555,856
5. Step 5: Solve for x
   x = 111,099,555,856/155,330
6. Step 6: Final answer
   x = 715,248.54