Finding the Third Proportional to 142,162 and 301,818

Step by Step Solution

1. Step 1: Write the proportion equation
   142,162 : 301,818 = 301,818 : x
2. Step 2: Convert to fraction form
   142,162/301,818 = 301,818/x
3. Step 3: Cross multiply
   142,162x = 301,818 × 301,818
4. Step 4: Simplify right side
   142,162x = 91,094,105,124
5. Step 5: Solve for x
   x = 91,094,105,124/142,162
6. Step 6: Final answer
   x = 640,776.76