Finding the Third Proportional to 4,066,122 and 5,420,751

Step by Step Solution

1. Step 1: Write the proportion equation
   4,066,122 : 5,420,751 = 5,420,751 : x
2. Step 2: Convert to fraction form
   4,066,122/5,420,751 = 5,420,751/x
3. Step 3: Cross multiply
   4,066,122x = 5,420,751 × 5,420,751
4. Step 4: Simplify right side
   4,066,122x = 29,384,541,404,001
5. Step 5: Solve for x
   x = 29,384,541,404,001/4,066,122
6. Step 6: Final answer
   x = 7,226,674.80