Finding the Third Proportional to 308,142 and 673,002

Step by Step Solution

1. Step 1: Write the proportion equation
   308,142 : 673,002 = 673,002 : x
2. Step 2: Convert to fraction form
   308,142/673,002 = 673,002/x
3. Step 3: Cross multiply
   308,142x = 673,002 × 673,002
4. Step 4: Simplify right side
   308,142x = 452,931,692,004
5. Step 5: Solve for x
   x = 452,931,692,004/308,142
6. Step 6: Final answer
   x = 1,469,879.77