Finding the Third Proportional to 67,274 and 142,747

Step by Step Solution

1. Step 1: Write the proportion equation
   67,274 : 142,747 = 142,747 : x
2. Step 2: Convert to fraction form
   67,274/142,747 = 142,747/x
3. Step 3: Cross multiply
   67,274x = 142,747 × 142,747
4. Step 4: Simplify right side
   67,274x = 20,376,706,009
5. Step 5: Solve for x
   x = 20,376,706,009/67,274
6. Step 6: Final answer
   x = 302,891.25