Finding the Third Proportional to 105,010.50 and 168,450

Step by Step Solution

1. Step 1: Write the proportion equation
   105,010.50 : 168,450 = 168,450 : x
2. Step 2: Convert to fraction form
   105,010.50/168,450 = 168,450/x
3. Step 3: Cross multiply
   105,010.50x = 168,450 × 168,450
4. Step 4: Simplify right side
   105,010.50x = 28,375,402,500
5. Step 5: Solve for x
   x = 28,375,402,500/105,010.50
6. Step 6: Final answer
   x = 270,214.91