Finding the Third Proportional to 18,918.40 and 39,067.00

Step by Step Solution

1. Step 1: Write the proportion equation
   18,918.40 : 39,067.00 = 39,067.00 : x
2. Step 2: Convert to fraction form
   18,918.40/39,067.00 = 39,067.00/x
3. Step 3: Cross multiply
   18,918.40x = 39,067.00 × 39,067.00
4. Step 4: Simplify right side
   18,918.40x = 1,526,230,183.79
5. Step 5: Solve for x
   x = 1,526,230,183.79/18,918.40
6. Step 6: Final answer
   x = 80,674.36