Finding the Third Proportional to 303,796.50 and 664,806

Step by Step Solution

1. Step 1: Write the proportion equation
   303,796.50 : 664,806 = 664,806 : x
2. Step 2: Convert to fraction form
   303,796.50/664,806 = 664,806/x
3. Step 3: Cross multiply
   303,796.50x = 664,806 × 664,806
4. Step 4: Simplify right side
   303,796.50x = 441,967,017,636
5. Step 5: Solve for x
   x = 441,967,017,636/303,796.50
6. Step 6: Final answer
   x = 1,454,812.74