Finding the Third Proportional to 3,908,871 and 5,979,555

Step by Step Solution

1. Step 1: Write the proportion equation
   3,908,871 : 5,979,555 = 5,979,555 : x
2. Step 2: Convert to fraction form
   3,908,871/5,979,555 = 5,979,555/x
3. Step 3: Cross multiply
   3,908,871x = 5,979,555 × 5,979,555
4. Step 4: Simplify right side
   3,908,871x = 35,755,077,998,025
5. Step 5: Solve for x
   x = 35,755,077,998,025/3,908,871
6. Step 6: Final answer
   x = 9,147,162.44