Finding the Third Proportional to 6,560 and 12,788

Step by Step Solution

1. Step 1: Write the proportion equation
   6,560 : 12,788 = 12,788 : x
2. Step 2: Convert to fraction form
   6,560/12,788 = 12,788/x
3. Step 3: Cross multiply
   6,560x = 12,788 × 12,788
4. Step 4: Simplify right side
   6,560x = 163,532,944
5. Step 5: Solve for x
   x = 163,532,944/6,560
6. Step 6: Final answer
   x = 24,928.80