Finding the Third Proportional to 112,198 and 245,508

Step by Step Solution

1. Step 1: Write the proportion equation
   112,198 : 245,508 = 245,508 : x
2. Step 2: Convert to fraction form
   112,198/245,508 = 245,508/x
3. Step 3: Cross multiply
   112,198x = 245,508 × 245,508
4. Step 4: Simplify right side
   112,198x = 60,274,178,064
5. Step 5: Solve for x
   x = 60,274,178,064/112,198
6. Step 6: Final answer
   x = 537,212.59