Finding the Third Proportional to 60,160 and 131,600

Step by Step Solution

1. Step 1: Write the proportion equation
   60,160 : 131,600 = 131,600 : x
2. Step 2: Convert to fraction form
   60,160/131,600 = 131,600/x
3. Step 3: Cross multiply
   60,160x = 131,600 × 131,600
4. Step 4: Simplify right side
   60,160x = 17,318,560,000
5. Step 5: Solve for x
   x = 17,318,560,000/60,160
6. Step 6: Final answer
   x = 287,875