Finding the Third Proportional to 67,706 and 142,372

Step by Step Solution

1. Step 1: Write the proportion equation
   67,706 : 142,372 = 142,372 : x
2. Step 2: Convert to fraction form
   67,706/142,372 = 142,372/x
3. Step 3: Cross multiply
   67,706x = 142,372 × 142,372
4. Step 4: Simplify right side
   67,706x = 20,269,786,384
5. Step 5: Solve for x
   x = 20,269,786,384/67,706
6. Step 6: Final answer
   x = 299,379.47