Finding the Third Proportional to 155,530 and 333,171

Step by Step Solution

1. Step 1: Write the proportion equation
   155,530 : 333,171 = 333,171 : x
2. Step 2: Convert to fraction form
   155,530/333,171 = 333,171/x
3. Step 3: Cross multiply
   155,530x = 333,171 × 333,171
4. Step 4: Simplify right side
   155,530x = 111,002,915,241
5. Step 5: Solve for x
   x = 111,002,915,241/155,530
6. Step 6: Final answer
   x = 713,707.42