Finding the Third Proportional to 18,078.94 and 38,932.69

Step by Step Solution

1. Step 1: Write the proportion equation
   18,078.94 : 38,932.69 = 38,932.69 : x
2. Step 2: Convert to fraction form
   18,078.94/38,932.69 = 38,932.69/x
3. Step 3: Cross multiply
   18,078.94x = 38,932.69 × 38,932.69
4. Step 4: Simplify right side
   18,078.94x = 1,515,754,155.97
5. Step 5: Solve for x
   x = 1,515,754,155.97/18,078.94
6. Step 6: Final answer
   x = 83,840.89