Finding the Third Proportional to 78,949.69 and 162,541.69

Step by Step Solution

1. Step 1: Write the proportion equation
   78,949.69 : 162,541.69 = 162,541.69 : x
2. Step 2: Convert to fraction form
   78,949.69/162,541.69 = 162,541.69/x
3. Step 3: Cross multiply
   78,949.69x = 162,541.69 × 162,541.69
4. Step 4: Simplify right side
   78,949.69x = 26,419,800,175.35
5. Step 5: Solve for x
   x = 26,419,800,175.35/78,949.69
6. Step 6: Final answer
   x = 334,640.97