Finding the Third Proportional to 5,470,914 and 12,665,245

Step by Step Solution

1. Step 1: Write the proportion equation
   5,470,914 : 12,665,245 = 12,665,245 : x
2. Step 2: Convert to fraction form
   5,470,914/12,665,245 = 12,665,245/x
3. Step 3: Cross multiply
   5,470,914x = 12,665,245 × 12,665,245
4. Step 4: Simplify right side
   5,470,914x = 160,408,430,910,025
5. Step 5: Solve for x
   x = 160,408,430,910,025/5,470,914
6. Step 6: Final answer
   x = 29,320,225.27