Finding the Third Proportional to 67,175 and 144,839

Step by Step Solution

1. Step 1: Write the proportion equation
   67,175 : 144,839 = 144,839 : x
2. Step 2: Convert to fraction form
   67,175/144,839 = 144,839/x
3. Step 3: Cross multiply
   67,175x = 144,839 × 144,839
4. Step 4: Simplify right side
   67,175x = 20,978,335,921
5. Step 5: Solve for x
   x = 20,978,335,921/67,175
6. Step 6: Final answer
   x = 312,293.80