Finding the Third Proportional to 6,520 and 12,950

Step by Step Solution

1. Step 1: Write the proportion equation
   6,520 : 12,950 = 12,950 : x
2. Step 2: Convert to fraction form
   6,520/12,950 = 12,950/x
3. Step 3: Cross multiply
   6,520x = 12,950 × 12,950
4. Step 4: Simplify right side
   6,520x = 167,702,500
5. Step 5: Solve for x
   x = 167,702,500/6,520
6. Step 6: Final answer
   x = 25,721.24