Finding the Third Proportional to 245,853 and 500,728.50

Step by Step Solution

1. Step 1: Write the proportion equation
   245,853 : 500,728.50 = 500,728.50 : x
2. Step 2: Convert to fraction form
   245,853/500,728.50 = 500,728.50/x
3. Step 3: Cross multiply
   245,853x = 500,728.50 × 500,728.50
4. Step 4: Simplify right side
   245,853x = 250,729,030,712.25
5. Step 5: Solve for x
   x = 250,729,030,712.25/245,853
6. Step 6: Final answer
   x = 1,019,833.11