Finding the Third Proportional to 67,298 and 145,741

Step by Step Solution

1. Step 1: Write the proportion equation
   67,298 : 145,741 = 145,741 : x
2. Step 2: Convert to fraction form
   67,298/145,741 = 145,741/x
3. Step 3: Cross multiply
   67,298x = 145,741 × 145,741
4. Step 4: Simplify right side
   67,298x = 21,240,439,081
5. Step 5: Solve for x
   x = 21,240,439,081/67,298
6. Step 6: Final answer
   x = 315,617.69