Finding the Third Proportional to 162,768 and 356,568

Step by Step Solution

1. Step 1: Write the proportion equation
   162,768 : 356,568 = 356,568 : x
2. Step 2: Convert to fraction form
   162,768/356,568 = 356,568/x
3. Step 3: Cross multiply
   162,768x = 356,568 × 356,568
4. Step 4: Simplify right side
   162,768x = 127,140,738,624
5. Step 5: Solve for x
   x = 127,140,738,624/162,768
6. Step 6: Final answer
   x = 781,116.30