Finding the Third Proportional to 6,530 and 12,730

Step by Step Solution

1. Step 1: Write the proportion equation
   6,530 : 12,730 = 12,730 : x
2. Step 2: Convert to fraction form
   6,530/12,730 = 12,730/x
3. Step 3: Cross multiply
   6,530x = 12,730 × 12,730
4. Step 4: Simplify right side
   6,530x = 162,052,900
5. Step 5: Solve for x
   x = 162,052,900/6,530
6. Step 6: Final answer
   x = 24,816.68