Finding the Third Proportional to 12,966.38 and 26,408.25

Step by Step Solution

1. Step 1: Write the proportion equation
   12,966.38 : 26,408.25 = 26,408.25 : x
2. Step 2: Convert to fraction form
   12,966.38/26,408.25 = 26,408.25/x
3. Step 3: Cross multiply
   12,966.38x = 26,408.25 × 26,408.25
4. Step 4: Simplify right side
   12,966.38x = 697,395,668.06
5. Step 5: Solve for x
   x = 697,395,668.06/12,966.38
6. Step 6: Final answer
   x = 53,784.94