Finding the Third Proportional to 260,661 and 567,978

Step by Step Solution

1. Step 1: Write the proportion equation
   260,661 : 567,978 = 567,978 : x
2. Step 2: Convert to fraction form
   260,661/567,978 = 567,978/x
3. Step 3: Cross multiply
   260,661x = 567,978 × 567,978
4. Step 4: Simplify right side
   260,661x = 322,599,008,484
5. Step 5: Solve for x
   x = 322,599,008,484/260,661
6. Step 6: Final answer
   x = 1,237,619.01