Finding the Third Proportional to 303,464 and 664,978

Step by Step Solution

1. Step 1: Write the proportion equation
   303,464 : 664,978 = 664,978 : x
2. Step 2: Convert to fraction form
   303,464/664,978 = 664,978/x
3. Step 3: Cross multiply
   303,464x = 664,978 × 664,978
4. Step 4: Simplify right side
   303,464x = 442,195,740,484
5. Step 5: Solve for x
   x = 442,195,740,484/303,464
6. Step 6: Final answer
   x = 1,457,160.46