Finding the Third Proportional to 259,398 and 568,003.50

Step by Step Solution

1. Step 1: Write the proportion equation
   259,398 : 568,003.50 = 568,003.50 : x
2. Step 2: Convert to fraction form
   259,398/568,003.50 = 568,003.50/x
3. Step 3: Cross multiply
   259,398x = 568,003.50 × 568,003.50
4. Step 4: Simplify right side
   259,398x = 322,627,976,012.25
5. Step 5: Solve for x
   x = 322,627,976,012.25/259,398
6. Step 6: Final answer
   x = 1,243,756.61