Finding the Third Proportional to 67,074 and 142,144

Step by Step Solution

1. Step 1: Write the proportion equation
   67,074 : 142,144 = 142,144 : x
2. Step 2: Convert to fraction form
   67,074/142,144 = 142,144/x
3. Step 3: Cross multiply
   67,074x = 142,144 × 142,144
4. Step 4: Simplify right side
   67,074x = 20,204,916,736
5. Step 5: Solve for x
   x = 20,204,916,736/67,074
6. Step 6: Final answer
   x = 301,233.22