Finding the Third Proportional to 470,227.50 and 726,516

Step by Step Solution

1. Step 1: Write the proportion equation
   470,227.50 : 726,516 = 726,516 : x
2. Step 2: Convert to fraction form
   470,227.50/726,516 = 726,516/x
3. Step 3: Cross multiply
   470,227.50x = 726,516 × 726,516
4. Step 4: Simplify right side
   470,227.50x = 527,825,498,256
5. Step 5: Solve for x
   x = 527,825,498,256/470,227.50
6. Step 6: Final answer
   x = 1,122,489.64