Finding the Third Proportional to 105,605 and 162,103

Step by Step Solution

1. Step 1: Write the proportion equation
   105,605 : 162,103 = 162,103 : x
2. Step 2: Convert to fraction form
   105,605/162,103 = 162,103/x
3. Step 3: Cross multiply
   105,605x = 162,103 × 162,103
4. Step 4: Simplify right side
   105,605x = 26,277,382,609
5. Step 5: Solve for x
   x = 26,277,382,609/105,605
6. Step 6: Final answer
   x = 248,827.07