Finding the Third Proportional to 67,929 and 144,117

Step by Step Solution

1. Step 1: Write the proportion equation
   67,929 : 144,117 = 144,117 : x
2. Step 2: Convert to fraction form
   67,929/144,117 = 144,117/x
3. Step 3: Cross multiply
   67,929x = 144,117 × 144,117
4. Step 4: Simplify right side
   67,929x = 20,769,709,689
5. Step 5: Solve for x
   x = 20,769,709,689/67,929
6. Step 6: Final answer
   x = 305,756.15