Finding the Third Proportional to 140,711 and 301,105

Step by Step Solution

1. Step 1: Write the proportion equation
   140,711 : 301,105 = 301,105 : x
2. Step 2: Convert to fraction form
   140,711/301,105 = 301,105/x
3. Step 3: Cross multiply
   140,711x = 301,105 × 301,105
4. Step 4: Simplify right side
   140,711x = 90,664,221,025
5. Step 5: Solve for x
   x = 90,664,221,025/140,711
6. Step 6: Final answer
   x = 644,329.31