Finding the Third Proportional to 4,459,401 and 9,770,760

Step by Step Solution

1. Step 1: Write the proportion equation
   4,459,401 : 9,770,760 = 9,770,760 : x
2. Step 2: Convert to fraction form
   4,459,401/9,770,760 = 9,770,760/x
3. Step 3: Cross multiply
   4,459,401x = 9,770,760 × 9,770,760
4. Step 4: Simplify right side
   4,459,401x = 95,467,750,977,600
5. Step 5: Solve for x
   x = 95,467,750,977,600/4,459,401
6. Step 6: Final answer
   x = 21,408,200.56