Finding the Third Proportional to 111,904 and 245,860

Step by Step Solution

1. Step 1: Write the proportion equation
   111,904 : 245,860 = 245,860 : x
2. Step 2: Convert to fraction form
   111,904/245,860 = 245,860/x
3. Step 3: Cross multiply
   111,904x = 245,860 × 245,860
4. Step 4: Simplify right side
   111,904x = 60,447,139,600
5. Step 5: Solve for x
   x = 60,447,139,600/111,904
6. Step 6: Final answer
   x = 540,169.61