Finding the Third Proportional to 297,794 and 648,076

Step by Step Solution

1. Step 1: Write the proportion equation
   297,794 : 648,076 = 648,076 : x
2. Step 2: Convert to fraction form
   297,794/648,076 = 648,076/x
3. Step 3: Cross multiply
   297,794x = 648,076 × 648,076
4. Step 4: Simplify right side
   297,794x = 420,002,501,776
5. Step 5: Solve for x
   x = 420,002,501,776/297,794
6. Step 6: Final answer
   x = 1,410,379.33