Finding the Third Proportional to 111,997.69 and 241,809.05

Step by Step Solution

1. Step 1: Write the proportion equation
   111,997.69 : 241,809.05 = 241,809.05 : x
2. Step 2: Convert to fraction form
   111,997.69/241,809.05 = 241,809.05/x
3. Step 3: Cross multiply
   111,997.69x = 241,809.05 × 241,809.05
4. Step 4: Simplify right side
   111,997.69x = 58,471,615,150.60
5. Step 5: Solve for x
   x = 58,471,615,150.60/111,997.69
6. Step 6: Final answer
   x = 522,078.77