Finding the Third Proportional to 123,795 and 259,740

Step by Step Solution

1. Step 1: Write the proportion equation
   123,795 : 259,740 = 259,740 : x
2. Step 2: Convert to fraction form
   123,795/259,740 = 259,740/x
3. Step 3: Cross multiply
   123,795x = 259,740 × 259,740
4. Step 4: Simplify right side
   123,795x = 67,464,867,600
5. Step 5: Solve for x
   x = 67,464,867,600/123,795
6. Step 6: Final answer
   x = 544,972.48