Finding the Third Proportional to 105,840 and 162,131

Step by Step Solution

1. Step 1: Write the proportion equation
   105,840 : 162,131 = 162,131 : x
2. Step 2: Convert to fraction form
   105,840/162,131 = 162,131/x
3. Step 3: Cross multiply
   105,840x = 162,131 × 162,131
4. Step 4: Simplify right side
   105,840x = 26,286,461,161
5. Step 5: Solve for x
   x = 26,286,461,161/105,840
6. Step 6: Final answer
   x = 248,360.37