Finding the Third Proportional to 162,680.91 and 333,289.69

Step by Step Solution

1. Step 1: Write the proportion equation
   162,680.91 : 333,289.69 = 333,289.69 : x
2. Step 2: Convert to fraction form
   162,680.91/333,289.69 = 333,289.69/x
3. Step 3: Cross multiply
   162,680.91x = 333,289.69 × 333,289.69
4. Step 4: Simplify right side
   162,680.91x = 111,082,015,793.85
5. Step 5: Solve for x
   x = 111,082,015,793.85/162,680.91
6. Step 6: Final answer
   x = 682,821.47