Finding the Third Proportional to 39,382.03 and 86,418.56

Step by Step Solution

1. Step 1: Write the proportion equation
   39,382.03 : 86,418.56 = 86,418.56 : x
2. Step 2: Convert to fraction form
   39,382.03/86,418.56 = 86,418.56/x
3. Step 3: Cross multiply
   39,382.03x = 86,418.56 × 86,418.56
4. Step 4: Simplify right side
   39,382.03x = 7,468,167,944.57
5. Step 5: Solve for x
   x = 7,468,167,944.57/39,382.03
6. Step 6: Final answer
   x = 189,633.89