Finding the Third Proportional to 303,665.69 and 664,535.38

Step by Step Solution

1. Step 1: Write the proportion equation
   303,665.69 : 664,535.38 = 664,535.38 : x
2. Step 2: Convert to fraction form
   303,665.69/664,535.38 = 664,535.38/x
3. Step 3: Cross multiply
   303,665.69x = 664,535.38 × 664,535.38
4. Step 4: Simplify right side
   303,665.69x = 441,607,264,626.39
5. Step 5: Solve for x
   x = 441,607,264,626.39/303,665.69
6. Step 6: Final answer
   x = 1,454,254.74