Finding the Third Proportional to 728,354 and 1,485,616

Step by Step Solution

1. Step 1: Write the proportion equation
   728,354 : 1,485,616 = 1,485,616 : x
2. Step 2: Convert to fraction form
   728,354/1,485,616 = 1,485,616/x
3. Step 3: Cross multiply
   728,354x = 1,485,616 × 1,485,616
4. Step 4: Simplify right side
   728,354x = 2,207,054,899,456
5. Step 5: Solve for x
   x = 2,207,054,899,456/728,354
6. Step 6: Final answer
   x = 3,030,195.34