Finding the Third Proportional to 1,415.81 and 3,067.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,415.81 : 3,067.31 = 3,067.31 : x
2. Step 2: Convert to fraction form
   1,415.81/3,067.31 = 3,067.31/x
3. Step 3: Cross multiply
   1,415.81x = 3,067.31 × 3,067.31
4. Step 4: Simplify right side
   1,415.81x = 9,408,405.97
5. Step 5: Solve for x
   x = 9,408,405.97/1,415.81
6. Step 6: Final answer
   x = 6,645.23