Finding the Third Proportional to 404,538.75 and 606,078

Step by Step Solution

1. Step 1: Write the proportion equation
   404,538.75 : 606,078 = 606,078 : x
2. Step 2: Convert to fraction form
   404,538.75/606,078 = 606,078/x
3. Step 3: Cross multiply
   404,538.75x = 606,078 × 606,078
4. Step 4: Simplify right side
   404,538.75x = 367,330,542,084
5. Step 5: Solve for x
   x = 367,330,542,084/404,538.75
6. Step 6: Final answer
   x = 908,023.13