Finding the Third Proportional to 67,298 and 142,794

Step by Step Solution

1. Step 1: Write the proportion equation
   67,298 : 142,794 = 142,794 : x
2. Step 2: Convert to fraction form
   67,298/142,794 = 142,794/x
3. Step 3: Cross multiply
   67,298x = 142,794 × 142,794
4. Step 4: Simplify right side
   67,298x = 20,390,126,436
5. Step 5: Solve for x
   x = 20,390,126,436/67,298
6. Step 6: Final answer
   x = 302,982.65