Finding the Third Proportional to 114,686 and 269,860

Step by Step Solution

1. Step 1: Write the proportion equation
   114,686 : 269,860 = 269,860 : x
2. Step 2: Convert to fraction form
   114,686/269,860 = 269,860/x
3. Step 3: Cross multiply
   114,686x = 269,860 × 269,860
4. Step 4: Simplify right side
   114,686x = 72,824,419,600
5. Step 5: Solve for x
   x = 72,824,419,600/114,686
6. Step 6: Final answer
   x = 634,989.62