Finding the Third Proportional to 4,945,329 and 10,422,018

Step by Step Solution

1. Step 1: Write the proportion equation
   4,945,329 : 10,422,018 = 10,422,018 : x
2. Step 2: Convert to fraction form
   4,945,329/10,422,018 = 10,422,018/x
3. Step 3: Cross multiply
   4,945,329x = 10,422,018 × 10,422,018
4. Step 4: Simplify right side
   4,945,329x = 108,618,459,192,324
5. Step 5: Solve for x
   x = 108,618,459,192,324/4,945,329
6. Step 6: Final answer
   x = 21,963,848.96