Finding the Third Proportional to 576,162 and 872,203.50

Step by Step Solution

1. Step 1: Write the proportion equation
   576,162 : 872,203.50 = 872,203.50 : x
2. Step 2: Convert to fraction form
   576,162/872,203.50 = 872,203.50/x
3. Step 3: Cross multiply
   576,162x = 872,203.50 × 872,203.50
4. Step 4: Simplify right side
   576,162x = 760,738,945,412.25
5. Step 5: Solve for x
   x = 760,738,945,412.25/576,162
6. Step 6: Final answer
   x = 1,320,355.99