Finding the Third Proportional to 111,067 and 238,549

Step by Step Solution

1. Step 1: Write the proportion equation
   111,067 : 238,549 = 238,549 : x
2. Step 2: Convert to fraction form
   111,067/238,549 = 238,549/x
3. Step 3: Cross multiply
   111,067x = 238,549 × 238,549
4. Step 4: Simplify right side
   111,067x = 56,905,625,401
5. Step 5: Solve for x
   x = 56,905,625,401/111,067
6. Step 6: Final answer
   x = 512,354.03