Finding the Third Proportional to 54,919.50 and 119,910

Step by Step Solution

1. Step 1: Write the proportion equation
   54,919.50 : 119,910 = 119,910 : x
2. Step 2: Convert to fraction form
   54,919.50/119,910 = 119,910/x
3. Step 3: Cross multiply
   54,919.50x = 119,910 × 119,910
4. Step 4: Simplify right side
   54,919.50x = 14,378,408,100
5. Step 5: Solve for x
   x = 14,378,408,100/54,919.50
6. Step 6: Final answer
   x = 261,808.79