Finding the Third Proportional to 301,320 and 648,766

Step by Step Solution

1. Step 1: Write the proportion equation
   301,320 : 648,766 = 648,766 : x
2. Step 2: Convert to fraction form
   301,320/648,766 = 648,766/x
3. Step 3: Cross multiply
   301,320x = 648,766 × 648,766
4. Step 4: Simplify right side
   301,320x = 420,897,322,756
5. Step 5: Solve for x
   x = 420,897,322,756/301,320
6. Step 6: Final answer
   x = 1,396,844.96