Finding the Third Proportional to 576,268 and 845,718.50

Step by Step Solution

1. Step 1: Write the proportion equation
   576,268 : 845,718.50 = 845,718.50 : x
2. Step 2: Convert to fraction form
   576,268/845,718.50 = 845,718.50/x
3. Step 3: Cross multiply
   576,268x = 845,718.50 × 845,718.50
4. Step 4: Simplify right side
   576,268x = 715,239,781,242.25
5. Step 5: Solve for x
   x = 715,239,781,242.25/576,268
6. Step 6: Final answer
   x = 1,241,158.25