Finding the Third Proportional to 2,678,871 and 5,877,996

Step by Step Solution

1. Step 1: Write the proportion equation
   2,678,871 : 5,877,996 = 5,877,996 : x
2. Step 2: Convert to fraction form
   2,678,871/5,877,996 = 5,877,996/x
3. Step 3: Cross multiply
   2,678,871x = 5,877,996 × 5,877,996
4. Step 4: Simplify right side
   2,678,871x = 34,550,836,976,016
5. Step 5: Solve for x
   x = 34,550,836,976,016/2,678,871
6. Step 6: Final answer
   x = 12,897,536.68