Finding the Third Proportional to 8,408,868 and 12,985,958

Step by Step Solution

1. Step 1: Write the proportion equation
   8,408,868 : 12,985,958 = 12,985,958 : x
2. Step 2: Convert to fraction form
   8,408,868/12,985,958 = 12,985,958/x
3. Step 3: Cross multiply
   8,408,868x = 12,985,958 × 12,985,958
4. Step 4: Simplify right side
   8,408,868x = 168,635,105,177,764
5. Step 5: Solve for x
   x = 168,635,105,177,764/8,408,868
6. Step 6: Final answer
   x = 20,054,436.00