Finding the Third Proportional to 302,650.50 and 664,077

Step by Step Solution

1. Step 1: Write the proportion equation
   302,650.50 : 664,077 = 664,077 : x
2. Step 2: Convert to fraction form
   302,650.50/664,077 = 664,077/x
3. Step 3: Cross multiply
   302,650.50x = 664,077 × 664,077
4. Step 4: Simplify right side
   302,650.50x = 440,998,261,929
5. Step 5: Solve for x
   x = 440,998,261,929/302,650.50
6. Step 6: Final answer
   x = 1,457,120.55