Finding the Third Proportional to 67,241 and 144,856

Step by Step Solution

1. Step 1: Write the proportion equation
   67,241 : 144,856 = 144,856 : x
2. Step 2: Convert to fraction form
   67,241/144,856 = 144,856/x
3. Step 3: Cross multiply
   67,241x = 144,856 × 144,856
4. Step 4: Simplify right side
   67,241x = 20,983,260,736
5. Step 5: Solve for x
   x = 20,983,260,736/67,241
6. Step 6: Final answer
   x = 312,060.51