Finding the Third Proportional to 3,742,622 and 8,120,484

Step by Step Solution

1. Step 1: Write the proportion equation
   3,742,622 : 8,120,484 = 8,120,484 : x
2. Step 2: Convert to fraction form
   3,742,622/8,120,484 = 8,120,484/x
3. Step 3: Cross multiply
   3,742,622x = 8,120,484 × 8,120,484
4. Step 4: Simplify right side
   3,742,622x = 65,942,260,394,256
5. Step 5: Solve for x
   x = 65,942,260,394,256/3,742,622
6. Step 6: Final answer
   x = 17,619,268.09