Finding the Third Proportional to 111,209.63 and 244,559.25

Step by Step Solution

1. Step 1: Write the proportion equation
   111,209.63 : 244,559.25 = 244,559.25 : x
2. Step 2: Convert to fraction form
   111,209.63/244,559.25 = 244,559.25/x
3. Step 3: Cross multiply
   111,209.63x = 244,559.25 × 244,559.25
4. Step 4: Simplify right side
   111,209.63x = 59,809,226,760.56
5. Step 5: Solve for x
   x = 59,809,226,760.56/111,209.63
6. Step 6: Final answer
   x = 537,806.21