Finding the Third Proportional to 131,168 and 285,694

Step by Step Solution

1. Step 1: Write the proportion equation
   131,168 : 285,694 = 285,694 : x
2. Step 2: Convert to fraction form
   131,168/285,694 = 285,694/x
3. Step 3: Cross multiply
   131,168x = 285,694 × 285,694
4. Step 4: Simplify right side
   131,168x = 81,621,061,636
5. Step 5: Solve for x
   x = 81,621,061,636/131,168
6. Step 6: Final answer
   x = 622,263.52