Finding the Third Proportional to 4,645,917 and 10,189,233

Step by Step Solution

1. Step 1: Write the proportion equation
   4,645,917 : 10,189,233 = 10,189,233 : x
2. Step 2: Convert to fraction form
   4,645,917/10,189,233 = 10,189,233/x
3. Step 3: Cross multiply
   4,645,917x = 10,189,233 × 10,189,233
4. Step 4: Simplify right side
   4,645,917x = 103,820,469,128,289
5. Step 5: Solve for x
   x = 103,820,469,128,289/4,645,917
6. Step 6: Final answer
   x = 22,346,604.37