Finding the Third Proportional to 39,745.69 and 86,393.25

Step by Step Solution

1. Step 1: Write the proportion equation
   39,745.69 : 86,393.25 = 86,393.25 : x
2. Step 2: Convert to fraction form
   39,745.69/86,393.25 = 86,393.25/x
3. Step 3: Cross multiply
   39,745.69x = 86,393.25 × 86,393.25
4. Step 4: Simplify right side
   39,745.69x = 7,463,793,645.56
5. Step 5: Solve for x
   x = 7,463,793,645.56/39,745.69
6. Step 6: Final answer
   x = 187,788.77