Finding the Third Proportional to 60,686 and 131,308

Step by Step Solution

1. Step 1: Write the proportion equation
   60,686 : 131,308 = 131,308 : x
2. Step 2: Convert to fraction form
   60,686/131,308 = 131,308/x
3. Step 3: Cross multiply
   60,686x = 131,308 × 131,308
4. Step 4: Simplify right side
   60,686x = 17,241,790,864
5. Step 5: Solve for x
   x = 17,241,790,864/60,686
6. Step 6: Final answer
   x = 284,114.80