Finding the Third Proportional to 67,116 and 144,741

Step by Step Solution

1. Step 1: Write the proportion equation
   67,116 : 144,741 = 144,741 : x
2. Step 2: Convert to fraction form
   67,116/144,741 = 144,741/x
3. Step 3: Cross multiply
   67,116x = 144,741 × 144,741
4. Step 4: Simplify right side
   67,116x = 20,949,957,081
5. Step 5: Solve for x
   x = 20,949,957,081/67,116
6. Step 6: Final answer
   x = 312,145.50