Finding the Third Proportional to 143,568 and 302,826

Step by Step Solution

1. Step 1: Write the proportion equation
   143,568 : 302,826 = 302,826 : x
2. Step 2: Convert to fraction form
   143,568/302,826 = 302,826/x
3. Step 3: Cross multiply
   143,568x = 302,826 × 302,826
4. Step 4: Simplify right side
   143,568x = 91,703,586,276
5. Step 5: Solve for x
   x = 91,703,586,276/143,568
6. Step 6: Final answer
   x = 638,746.70