Finding the Third Proportional to 1,198,910 and 2,567,866

Step by Step Solution

1. Step 1: Write the proportion equation
   1,198,910 : 2,567,866 = 2,567,866 : x
2. Step 2: Convert to fraction form
   1,198,910/2,567,866 = 2,567,866/x
3. Step 3: Cross multiply
   1,198,910x = 2,567,866 × 2,567,866
4. Step 4: Simplify right side
   1,198,910x = 6,593,935,793,956
5. Step 5: Solve for x
   x = 6,593,935,793,956/1,198,910
6. Step 6: Final answer
   x = 5,499,942.28