Finding the Third Proportional to 98,291 and 231,039

Step by Step Solution

1. Step 1: Write the proportion equation
   98,291 : 231,039 = 231,039 : x
2. Step 2: Convert to fraction form
   98,291/231,039 = 231,039/x
3. Step 3: Cross multiply
   98,291x = 231,039 × 231,039
4. Step 4: Simplify right side
   98,291x = 53,379,019,521
5. Step 5: Solve for x
   x = 53,379,019,521/98,291
6. Step 6: Final answer
   x = 543,071.28