Finding the Third Proportional to 2,166,771 and 4,613,478

Step by Step Solution

1. Step 1: Write the proportion equation
   2,166,771 : 4,613,478 = 4,613,478 : x
2. Step 2: Convert to fraction form
   2,166,771/4,613,478 = 4,613,478/x
3. Step 3: Cross multiply
   2,166,771x = 4,613,478 × 4,613,478
4. Step 4: Simplify right side
   2,166,771x = 21,284,179,256,484
5. Step 5: Solve for x
   x = 21,284,179,256,484/2,166,771
6. Step 6: Final answer
   x = 9,822,994.33