Finding the Third Proportional to 142,515 and 301,122

Step by Step Solution

1. Step 1: Write the proportion equation
   142,515 : 301,122 = 301,122 : x
2. Step 2: Convert to fraction form
   142,515/301,122 = 301,122/x
3. Step 3: Cross multiply
   142,515x = 301,122 × 301,122
4. Step 4: Simplify right side
   142,515x = 90,674,458,884
5. Step 5: Solve for x
   x = 90,674,458,884/142,515
6. Step 6: Final answer
   x = 636,245.02