Finding the Third Proportional to 259,488 and 567,144

Step by Step Solution

1. Step 1: Write the proportion equation
   259,488 : 567,144 = 567,144 : x
2. Step 2: Convert to fraction form
   259,488/567,144 = 567,144/x
3. Step 3: Cross multiply
   259,488x = 567,144 × 567,144
4. Step 4: Simplify right side
   259,488x = 321,652,316,736
5. Step 5: Solve for x
   x = 321,652,316,736/259,488
6. Step 6: Final answer
   x = 1,239,565.29