Finding the Third Proportional to 4,147,965 and 8,627,022

Step by Step Solution

1. Step 1: Write the proportion equation
   4,147,965 : 8,627,022 = 8,627,022 : x
2. Step 2: Convert to fraction form
   4,147,965/8,627,022 = 8,627,022/x
3. Step 3: Cross multiply
   4,147,965x = 8,627,022 × 8,627,022
4. Step 4: Simplify right side
   4,147,965x = 74,425,508,588,484
5. Step 5: Solve for x
   x = 74,425,508,588,484/4,147,965
6. Step 6: Final answer
   x = 17,942,655.88