Finding the Third Proportional to 3,629,674 and 5,571,407

Step by Step Solution

1. Step 1: Write the proportion equation
   3,629,674 : 5,571,407 = 5,571,407 : x
2. Step 2: Convert to fraction form
   3,629,674/5,571,407 = 5,571,407/x
3. Step 3: Cross multiply
   3,629,674x = 5,571,407 × 5,571,407
4. Step 4: Simplify right side
   3,629,674x = 31,040,575,959,649
5. Step 5: Solve for x
   x = 31,040,575,959,649/3,629,674
6. Step 6: Final answer
   x = 8,551,890.87