Finding the Third Proportional to 8,408,880 and 12,985,976

Step by Step Solution

1. Step 1: Write the proportion equation
   8,408,880 : 12,985,976 = 12,985,976 : x
2. Step 2: Convert to fraction form
   8,408,880/12,985,976 = 12,985,976/x
3. Step 3: Cross multiply
   8,408,880x = 12,985,976 × 12,985,976
4. Step 4: Simplify right side
   8,408,880x = 168,635,572,672,576
5. Step 5: Solve for x
   x = 168,635,572,672,576/8,408,880
6. Step 6: Final answer
   x = 20,054,462.98