Finding the Third Proportional to 131,168 and 286,960

Step by Step Solution

1. Step 1: Write the proportion equation
   131,168 : 286,960 = 286,960 : x
2. Step 2: Convert to fraction form
   131,168/286,960 = 286,960/x
3. Step 3: Cross multiply
   131,168x = 286,960 × 286,960
4. Step 4: Simplify right side
   131,168x = 82,346,041,600
5. Step 5: Solve for x
   x = 82,346,041,600/131,168
6. Step 6: Final answer
   x = 627,790.63