Finding the Third Proportional to 450,584 and 697,449.50

Step by Step Solution

1. Step 1: Write the proportion equation
   450,584 : 697,449.50 = 697,449.50 : x
2. Step 2: Convert to fraction form
   450,584/697,449.50 = 697,449.50/x
3. Step 3: Cross multiply
   450,584x = 697,449.50 × 697,449.50
4. Step 4: Simplify right side
   450,584x = 486,435,805,050.25
5. Step 5: Solve for x
   x = 486,435,805,050.25/450,584
6. Step 6: Final answer
   x = 1,079,567.42