Finding the Third Proportional to 67,119 and 144,747

Step by Step Solution

1. Step 1: Write the proportion equation
   67,119 : 144,747 = 144,747 : x
2. Step 2: Convert to fraction form
   67,119/144,747 = 144,747/x
3. Step 3: Cross multiply
   67,119x = 144,747 × 144,747
4. Step 4: Simplify right side
   67,119x = 20,951,694,009
5. Step 5: Solve for x
   x = 20,951,694,009/67,119
6. Step 6: Final answer
   x = 312,157.42