Finding the Third Proportional to 728,401.50 and 1,142,649

Step by Step Solution

1. Step 1: Write the proportion equation
   728,401.50 : 1,142,649 = 1,142,649 : x
2. Step 2: Convert to fraction form
   728,401.50/1,142,649 = 1,142,649/x
3. Step 3: Cross multiply
   728,401.50x = 1,142,649 × 1,142,649
4. Step 4: Simplify right side
   728,401.50x = 1,305,646,737,201
5. Step 5: Solve for x
   x = 1,305,646,737,201/728,401.50
6. Step 6: Final answer
   x = 1,792,482.22