Finding the Third Proportional to 275,860.69 and 369,982.69

Step by Step Solution

1. Step 1: Write the proportion equation
   275,860.69 : 369,982.69 = 369,982.69 : x
2. Step 2: Convert to fraction form
   275,860.69/369,982.69 = 369,982.69/x
3. Step 3: Cross multiply
   275,860.69x = 369,982.69 × 369,982.69
4. Step 4: Simplify right side
   275,860.69x = 136,887,189,049.72
5. Step 5: Solve for x
   x = 136,887,189,049.72/275,860.69
6. Step 6: Final answer
   x = 496,218.55