Finding the Third Proportional to 39,138.19 and 57,067.03

Step by Step Solution

1. Step 1: Write the proportion equation
   39,138.19 : 57,067.03 = 57,067.03 : x
2. Step 2: Convert to fraction form
   39,138.19/57,067.03 = 57,067.03/x
3. Step 3: Cross multiply
   39,138.19x = 57,067.03 × 57,067.03
4. Step 4: Simplify right side
   39,138.19x = 3,256,646,055.69
5. Step 5: Solve for x
   x = 3,256,646,055.69/39,138.19
6. Step 6: Final answer
   x = 83,208.91