Finding the Third Proportional to 4,459,403 and 9,770,764

Step by Step Solution

1. Step 1: Write the proportion equation
   4,459,403 : 9,770,764 = 9,770,764 : x
2. Step 2: Convert to fraction form
   4,459,403/9,770,764 = 9,770,764/x
3. Step 3: Cross multiply
   4,459,403x = 9,770,764 × 9,770,764
4. Step 4: Simplify right side
   4,459,403x = 95,467,829,143,696
5. Step 5: Solve for x
   x = 95,467,829,143,696/4,459,403
6. Step 6: Final answer
   x = 21,408,208.49