Finding the Third Proportional to 10,137 and 20,760

Step by Step Solution

1. Step 1: Write the proportion equation
   10,137 : 20,760 = 20,760 : x
2. Step 2: Convert to fraction form
   10,137/20,760 = 20,760/x
3. Step 3: Cross multiply
   10,137x = 20,760 × 20,760
4. Step 4: Simplify right side
   10,137x = 430,977,600
5. Step 5: Solve for x
   x = 430,977,600/10,137
6. Step 6: Final answer
   x = 42,515.30