Finding the Third Proportional to 2,557,408 and 3,818,606

Step by Step Solution

1. Step 1: Write the proportion equation
   2,557,408 : 3,818,606 = 3,818,606 : x
2. Step 2: Convert to fraction form
   2,557,408/3,818,606 = 3,818,606/x
3. Step 3: Cross multiply
   2,557,408x = 3,818,606 × 3,818,606
4. Step 4: Simplify right side
   2,557,408x = 14,581,751,783,236
5. Step 5: Solve for x
   x = 14,581,751,783,236/2,557,408
6. Step 6: Final answer
   x = 5,701,769.83