Finding the Third Proportional to 389,056.50 and 797,323.50

Step by Step Solution

1. Step 1: Write the proportion equation
   389,056.50 : 797,323.50 = 797,323.50 : x
2. Step 2: Convert to fraction form
   389,056.50/797,323.50 = 797,323.50/x
3. Step 3: Cross multiply
   389,056.50x = 797,323.50 × 797,323.50
4. Step 4: Simplify right side
   389,056.50x = 635,724,763,652.25
5. Step 5: Solve for x
   x = 635,724,763,652.25/389,056.50
6. Step 6: Final answer
   x = 1,634,016.56