Finding the Third Proportional to 155,398 and 333,452

Step by Step Solution

1. Step 1: Write the proportion equation
   155,398 : 333,452 = 333,452 : x
2. Step 2: Convert to fraction form
   155,398/333,452 = 333,452/x
3. Step 3: Cross multiply
   155,398x = 333,452 × 333,452
4. Step 4: Simplify right side
   155,398x = 111,190,236,304
5. Step 5: Solve for x
   x = 111,190,236,304/155,398
6. Step 6: Final answer
   x = 715,519.09