Finding the Third Proportional to 60,870 and 132,811

Step by Step Solution

1. Step 1: Write the proportion equation
   60,870 : 132,811 = 132,811 : x
2. Step 2: Convert to fraction form
   60,870/132,811 = 132,811/x
3. Step 3: Cross multiply
   60,870x = 132,811 × 132,811
4. Step 4: Simplify right side
   60,870x = 17,638,761,721
5. Step 5: Solve for x
   x = 17,638,761,721/60,870
6. Step 6: Final answer
   x = 289,777.59