Finding the Third Proportional to 111,567 and 245,175

Step by Step Solution

1. Step 1: Write the proportion equation
   111,567 : 245,175 = 245,175 : x
2. Step 2: Convert to fraction form
   111,567/245,175 = 245,175/x
3. Step 3: Cross multiply
   111,567x = 245,175 × 245,175
4. Step 4: Simplify right side
   111,567x = 60,110,780,625
5. Step 5: Solve for x
   x = 60,110,780,625/111,567
6. Step 6: Final answer
   x = 538,786.39