Finding the Third Proportional to 483,591 and 726,601.50

Step by Step Solution

1. Step 1: Write the proportion equation
   483,591 : 726,601.50 = 726,601.50 : x
2. Step 2: Convert to fraction form
   483,591/726,601.50 = 726,601.50/x
3. Step 3: Cross multiply
   483,591x = 726,601.50 × 726,601.50
4. Step 4: Simplify right side
   483,591x = 527,949,739,802.25
5. Step 5: Solve for x
   x = 527,949,739,802.25/483,591
6. Step 6: Final answer
   x = 1,091,727.80