Finding the Third Proportional to 7,556.41 and 11,739.94

Step by Step Solution

1. Step 1: Write the proportion equation
   7,556.41 : 11,739.94 = 11,739.94 : x
2. Step 2: Convert to fraction form
   7,556.41/11,739.94 = 11,739.94/x
3. Step 3: Cross multiply
   7,556.41x = 11,739.94 × 11,739.94
4. Step 4: Simplify right side
   7,556.41x = 137,826,132.50
5. Step 5: Solve for x
   x = 137,826,132.50/7,556.41
6. Step 6: Final answer
   x = 18,239.62