Finding the Third Proportional to 112,198 and 245,456

Step by Step Solution

1. Step 1: Write the proportion equation
   112,198 : 245,456 = 245,456 : x
2. Step 2: Convert to fraction form
   112,198/245,456 = 245,456/x
3. Step 3: Cross multiply
   112,198x = 245,456 × 245,456
4. Step 4: Simplify right side
   112,198x = 60,248,647,936
5. Step 5: Solve for x
   x = 60,248,647,936/112,198
6. Step 6: Final answer
   x = 536,985.04