Finding the Third Proportional to 111,172.50 and 244,488.38

Step by Step Solution

1. Step 1: Write the proportion equation
   111,172.50 : 244,488.38 = 244,488.38 : x
2. Step 2: Convert to fraction form
   111,172.50/244,488.38 = 244,488.38/x
3. Step 3: Cross multiply
   111,172.50x = 244,488.38 × 244,488.38
4. Step 4: Simplify right side
   111,172.50x = 59,774,565,510.14
5. Step 5: Solve for x
   x = 59,774,565,510.14/111,172.50
6. Step 6: Final answer
   x = 537,674.02