Finding the Third Proportional to 3,734,122 and 8,143,988

Step by Step Solution

1. Step 1: Write the proportion equation
   3,734,122 : 8,143,988 = 8,143,988 : x
2. Step 2: Convert to fraction form
   3,734,122/8,143,988 = 8,143,988/x
3. Step 3: Cross multiply
   3,734,122x = 8,143,988 × 8,143,988
4. Step 4: Simplify right side
   3,734,122x = 66,324,540,544,144
5. Step 5: Solve for x
   x = 66,324,540,544,144/3,734,122
6. Step 6: Final answer
   x = 17,761,749.76