Finding the Third Proportional to 111,567.50 and 245,176

Step by Step Solution

1. Step 1: Write the proportion equation
   111,567.50 : 245,176 = 245,176 : x
2. Step 2: Convert to fraction form
   111,567.50/245,176 = 245,176/x
3. Step 3: Cross multiply
   111,567.50x = 245,176 × 245,176
4. Step 4: Simplify right side
   111,567.50x = 60,111,270,976
5. Step 5: Solve for x
   x = 60,111,270,976/111,567.50
6. Step 6: Final answer
   x = 538,788.37