Finding the Third Proportional to 105,156 and 162,918

Step by Step Solution

1. Step 1: Write the proportion equation
   105,156 : 162,918 = 162,918 : x
2. Step 2: Convert to fraction form
   105,156/162,918 = 162,918/x
3. Step 3: Cross multiply
   105,156x = 162,918 × 162,918
4. Step 4: Simplify right side
   105,156x = 26,542,274,724
5. Step 5: Solve for x
   x = 26,542,274,724/105,156
6. Step 6: Final answer
   x = 252,408.56