Finding the Third Proportional to 405,222.75 and 1,002,395.25

Step by Step Solution

1. Step 1: Write the proportion equation
   405,222.75 : 1,002,395.25 = 1,002,395.25 : x
2. Step 2: Convert to fraction form
   405,222.75/1,002,395.25 = 1,002,395.25/x
3. Step 3: Cross multiply
   405,222.75x = 1,002,395.25 × 1,002,395.25
4. Step 4: Simplify right side
   405,222.75x = 1,004,796,237,222.56
5. Step 5: Solve for x
   x = 1,004,796,237,222.56/405,222.75
6. Step 6: Final answer
   x = 2,479,614.58