Finding the Third Proportional to 60,650 and 131,609

Step by Step Solution

1. Step 1: Write the proportion equation
   60,650 : 131,609 = 131,609 : x
2. Step 2: Convert to fraction form
   60,650/131,609 = 131,609/x
3. Step 3: Cross multiply
   60,650x = 131,609 × 131,609
4. Step 4: Simplify right side
   60,650x = 17,320,928,881
5. Step 5: Solve for x
   x = 17,320,928,881/60,650
6. Step 6: Final answer
   x = 285,588.28