Finding the Third Proportional to 5,066,142 and 10,338,831

Step by Step Solution

1. Step 1: Write the proportion equation
   5,066,142 : 10,338,831 = 10,338,831 : x
2. Step 2: Convert to fraction form
   5,066,142/10,338,831 = 10,338,831/x
3. Step 3: Cross multiply
   5,066,142x = 10,338,831 × 10,338,831
4. Step 4: Simplify right side
   5,066,142x = 106,891,426,446,561
5. Step 5: Solve for x
   x = 106,891,426,446,561/5,066,142
6. Step 6: Final answer
   x = 21,099,176.94