Finding the Third Proportional to 6,105 and 12,621

Step by Step Solution

1. Step 1: Write the proportion equation
   6,105 : 12,621 = 12,621 : x
2. Step 2: Convert to fraction form
   6,105/12,621 = 12,621/x
3. Step 3: Cross multiply
   6,105x = 12,621 × 12,621
4. Step 4: Simplify right side
   6,105x = 159,289,641
5. Step 5: Solve for x
   x = 159,289,641/6,105
6. Step 6: Final answer
   x = 26,091.67