Finding the Third Proportional to 67,628 and 142,808

Step by Step Solution

1. Step 1: Write the proportion equation
   67,628 : 142,808 = 142,808 : x
2. Step 2: Convert to fraction form
   67,628/142,808 = 142,808/x
3. Step 3: Cross multiply
   67,628x = 142,808 × 142,808
4. Step 4: Simplify right side
   67,628x = 20,394,124,864
5. Step 5: Solve for x
   x = 20,394,124,864/67,628
6. Step 6: Final answer
   x = 301,563.33