Finding the Third Proportional to 60,431 and 131,694

Step by Step Solution

1. Step 1: Write the proportion equation
   60,431 : 131,694 = 131,694 : x
2. Step 2: Convert to fraction form
   60,431/131,694 = 131,694/x
3. Step 3: Cross multiply
   60,431x = 131,694 × 131,694
4. Step 4: Simplify right side
   60,431x = 17,343,309,636
5. Step 5: Solve for x
   x = 17,343,309,636/60,431
6. Step 6: Final answer
   x = 286,993.59