Finding the Third Proportional to 303,674.50 and 703,019.50

Step by Step Solution

1. Step 1: Write the proportion equation
   303,674.50 : 703,019.50 = 703,019.50 : x
2. Step 2: Convert to fraction form
   303,674.50/703,019.50 = 703,019.50/x
3. Step 3: Cross multiply
   303,674.50x = 703,019.50 × 703,019.50
4. Step 4: Simplify right side
   303,674.50x = 494,236,417,380.25
5. Step 5: Solve for x
   x = 494,236,417,380.25/303,674.50
6. Step 6: Final answer
   x = 1,627,520.31