Finding the Third Proportional to 12,408.19 and 24,679.69

Step by Step Solution

1. Step 1: Write the proportion equation
   12,408.19 : 24,679.69 = 24,679.69 : x
2. Step 2: Convert to fraction form
   12,408.19/24,679.69 = 24,679.69/x
3. Step 3: Cross multiply
   12,408.19x = 24,679.69 × 24,679.69
4. Step 4: Simplify right side
   12,408.19x = 609,086,975.10
5. Step 5: Solve for x
   x = 609,086,975.10/12,408.19
6. Step 6: Final answer
   x = 49,087.51