Finding the Third Proportional to 12,919.50 and 27,367.88

Step by Step Solution

1. Step 1: Write the proportion equation
   12,919.50 : 27,367.88 = 27,367.88 : x
2. Step 2: Convert to fraction form
   12,919.50/27,367.88 = 27,367.88/x
3. Step 3: Cross multiply
   12,919.50x = 27,367.88 × 27,367.88
4. Step 4: Simplify right side
   12,919.50x = 749,000,582.02
5. Step 5: Solve for x
   x = 749,000,582.02/12,919.50
6. Step 6: Final answer
   x = 57,974.42