Finding the Third Proportional to 309,004 and 441,036

Step by Step Solution

1. Step 1: Write the proportion equation
   309,004 : 441,036 = 441,036 : x
2. Step 2: Convert to fraction form
   309,004/441,036 = 441,036/x
3. Step 3: Cross multiply
   309,004x = 441,036 × 441,036
4. Step 4: Simplify right side
   309,004x = 194,512,753,296
5. Step 5: Solve for x
   x = 194,512,753,296/309,004
6. Step 6: Final answer
   x = 629,482.96