Finding the Third Proportional to 111,991.22 and 241,811.72

Step by Step Solution

1. Step 1: Write the proportion equation
   111,991.22 : 241,811.72 = 241,811.72 : x
2. Step 2: Convert to fraction form
   111,991.22/241,811.72 = 241,811.72/x
3. Step 3: Cross multiply
   111,991.22x = 241,811.72 × 241,811.72
4. Step 4: Simplify right side
   111,991.22x = 58,472,907,324.83
5. Step 5: Solve for x
   x = 58,472,907,324.83/111,991.22
6. Step 6: Final answer
   x = 522,120.47