Finding the Third Proportional to 12,615.12 and 19,589.03

Step by Step Solution

1. Step 1: Write the proportion equation
   12,615.12 : 19,589.03 = 19,589.03 : x
2. Step 2: Convert to fraction form
   12,615.12/19,589.03 = 19,589.03/x
3. Step 3: Cross multiply
   12,615.12x = 19,589.03 × 19,589.03
4. Step 4: Simplify right side
   12,615.12x = 383,729,992.27
5. Step 5: Solve for x
   x = 383,729,992.27/12,615.12
6. Step 6: Final answer
   x = 30,418.27