Finding the Third Proportional to 28,665 and 60,811

Step by Step Solution

1. Step 1: Write the proportion equation
   28,665 : 60,811 = 60,811 : x
2. Step 2: Convert to fraction form
   28,665/60,811 = 60,811/x
3. Step 3: Cross multiply
   28,665x = 60,811 × 60,811
4. Step 4: Simplify right side
   28,665x = 3,697,977,721
5. Step 5: Solve for x
   x = 3,697,977,721/28,665
6. Step 6: Final answer
   x = 129,006.72