Finding the Third Proportional to 8,198,804 and 12,086,238

Step by Step Solution

1. Step 1: Write the proportion equation
   8,198,804 : 12,086,238 = 12,086,238 : x
2. Step 2: Convert to fraction form
   8,198,804/12,086,238 = 12,086,238/x
3. Step 3: Cross multiply
   8,198,804x = 12,086,238 × 12,086,238
4. Step 4: Simplify right side
   8,198,804x = 146,077,148,992,644
5. Step 5: Solve for x
   x = 146,077,148,992,644/8,198,804
6. Step 6: Final answer
   x = 17,816,885.12