Finding the Third Proportional to 3,812,078 and 8,370,652

Step by Step Solution

1. Step 1: Write the proportion equation
   3,812,078 : 8,370,652 = 8,370,652 : x
2. Step 2: Convert to fraction form
   3,812,078/8,370,652 = 8,370,652/x
3. Step 3: Cross multiply
   3,812,078x = 8,370,652 × 8,370,652
4. Step 4: Simplify right side
   3,812,078x = 70,067,814,905,104
5. Step 5: Solve for x
   x = 70,067,814,905,104/3,812,078
6. Step 6: Final answer
   x = 18,380,477.76