Finding the Third Proportional to 331,869 and 724,002

Step by Step Solution

1. Step 1: Write the proportion equation
   331,869 : 724,002 = 724,002 : x
2. Step 2: Convert to fraction form
   331,869/724,002 = 724,002/x
3. Step 3: Cross multiply
   331,869x = 724,002 × 724,002
4. Step 4: Simplify right side
   331,869x = 524,178,896,004
5. Step 5: Solve for x
   x = 524,178,896,004/331,869
6. Step 6: Final answer
   x = 1,579,475.32