Finding the Third Proportional to 154,300 and 336,608

Step by Step Solution

1. Step 1: Write the proportion equation
   154,300 : 336,608 = 336,608 : x
2. Step 2: Convert to fraction form
   154,300/336,608 = 336,608/x
3. Step 3: Cross multiply
   154,300x = 336,608 × 336,608
4. Step 4: Simplify right side
   154,300x = 113,304,945,664
5. Step 5: Solve for x
   x = 113,304,945,664/154,300
6. Step 6: Final answer
   x = 734,315.91