Finding the Third Proportional to 259,405.50 and 568,018.50

Step by Step Solution

1. Step 1: Write the proportion equation
   259,405.50 : 568,018.50 = 568,018.50 : x
2. Step 2: Convert to fraction form
   259,405.50/568,018.50 = 568,018.50/x
3. Step 3: Cross multiply
   259,405.50x = 568,018.50 × 568,018.50
4. Step 4: Simplify right side
   259,405.50x = 322,645,016,342.25
5. Step 5: Solve for x
   x = 322,645,016,342.25/259,405.50
6. Step 6: Final answer
   x = 1,243,786.34