Finding the Third Proportional to 72,162 and 105,450

Step by Step Solution

1. Step 1: Write the proportion equation
   72,162 : 105,450 = 105,450 : x
2. Step 2: Convert to fraction form
   72,162/105,450 = 105,450/x
3. Step 3: Cross multiply
   72,162x = 105,450 × 105,450
4. Step 4: Simplify right side
   72,162x = 11,119,702,500
5. Step 5: Solve for x
   x = 11,119,702,500/72,162
6. Step 6: Final answer
   x = 154,093.60