Finding the Third Proportional to 3,812,076 and 8,370,648

Step by Step Solution

1. Step 1: Write the proportion equation
   3,812,076 : 8,370,648 = 8,370,648 : x
2. Step 2: Convert to fraction form
   3,812,076/8,370,648 = 8,370,648/x
3. Step 3: Cross multiply
   3,812,076x = 8,370,648 × 8,370,648
4. Step 4: Simplify right side
   3,812,076x = 70,067,747,939,904
5. Step 5: Solve for x
   x = 70,067,747,939,904/3,812,076
6. Step 6: Final answer
   x = 18,380,469.84