Finding the Third Proportional to 356,996 and 783,004

Step by Step Solution

1. Step 1: Write the proportion equation
   356,996 : 783,004 = 783,004 : x
2. Step 2: Convert to fraction form
   356,996/783,004 = 783,004/x
3. Step 3: Cross multiply
   356,996x = 783,004 × 783,004
4. Step 4: Simplify right side
   356,996x = 613,095,264,016
5. Step 5: Solve for x
   x = 613,095,264,016/356,996
6. Step 6: Final answer
   x = 1,717,372.92