Finding the Third Proportional to 67,704 and 142,368

Step by Step Solution

1. Step 1: Write the proportion equation
   67,704 : 142,368 = 142,368 : x
2. Step 2: Convert to fraction form
   67,704/142,368 = 142,368/x
3. Step 3: Cross multiply
   67,704x = 142,368 × 142,368
4. Step 4: Simplify right side
   67,704x = 20,268,647,424
5. Step 5: Solve for x
   x = 20,268,647,424/67,704
6. Step 6: Final answer
   x = 299,371.49