Finding the Third Proportional to 40,878.56 and 91,323.56

Step by Step Solution

1. Step 1: Write the proportion equation
   40,878.56 : 91,323.56 = 91,323.56 : x
2. Step 2: Convert to fraction form
   40,878.56/91,323.56 = 91,323.56/x
3. Step 3: Cross multiply
   40,878.56x = 91,323.56 × 91,323.56
4. Step 4: Simplify right side
   40,878.56x = 8,339,993,067.69
5. Step 5: Solve for x
   x = 8,339,993,067.69/40,878.56
6. Step 6: Final answer
   x = 204,018.75