Finding the Third Proportional to 12,966.33 and 26,408.53

Step by Step Solution

1. Step 1: Write the proportion equation
   12,966.33 : 26,408.53 = 26,408.53 : x
2. Step 2: Convert to fraction form
   12,966.33/26,408.53 = 26,408.53/x
3. Step 3: Cross multiply
   12,966.33x = 26,408.53 × 26,408.53
4. Step 4: Simplify right side
   12,966.33x = 697,410,522.78
5. Step 5: Solve for x
   x = 697,410,522.78/12,966.33
6. Step 6: Final answer
   x = 53,786.28