Finding the Third Proportional to 65,568 and 142,810.50

Step by Step Solution

1. Step 1: Write the proportion equation
   65,568 : 142,810.50 = 142,810.50 : x
2. Step 2: Convert to fraction form
   65,568/142,810.50 = 142,810.50/x
3. Step 3: Cross multiply
   65,568x = 142,810.50 × 142,810.50
4. Step 4: Simplify right side
   65,568x = 20,394,838,910.25
5. Step 5: Solve for x
   x = 20,394,838,910.25/65,568
6. Step 6: Final answer
   x = 311,048.67