Finding the Third Proportional to 465,573 and 743,863.50

Step by Step Solution

1. Step 1: Write the proportion equation
   465,573 : 743,863.50 = 743,863.50 : x
2. Step 2: Convert to fraction form
   465,573/743,863.50 = 743,863.50/x
3. Step 3: Cross multiply
   465,573x = 743,863.50 × 743,863.50
4. Step 4: Simplify right side
   465,573x = 553,332,906,632.25
5. Step 5: Solve for x
   x = 553,332,906,632.25/465,573
6. Step 6: Final answer
   x = 1,188,498.70