Finding the Third Proportional to 154,426 and 333,458

Step by Step Solution

1. Step 1: Write the proportion equation
   154,426 : 333,458 = 333,458 : x
2. Step 2: Convert to fraction form
   154,426/333,458 = 333,458/x
3. Step 3: Cross multiply
   154,426x = 333,458 × 333,458
4. Step 4: Simplify right side
   154,426x = 111,194,237,764
5. Step 5: Solve for x
   x = 111,194,237,764/154,426
6. Step 6: Final answer
   x = 720,048.68