Finding the Third Proportional to 154,965 and 333,561

Step by Step Solution

1. Step 1: Write the proportion equation
   154,965 : 333,561 = 333,561 : x
2. Step 2: Convert to fraction form
   154,965/333,561 = 333,561/x
3. Step 3: Cross multiply
   154,965x = 333,561 × 333,561
4. Step 4: Simplify right side
   154,965x = 111,262,940,721
5. Step 5: Solve for x
   x = 111,262,940,721/154,965
6. Step 6: Final answer
   x = 717,987.55