Finding the Third Proportional to 3,836,276 and 8,311,074

Step by Step Solution

1. Step 1: Write the proportion equation
   3,836,276 : 8,311,074 = 8,311,074 : x
2. Step 2: Convert to fraction form
   3,836,276/8,311,074 = 8,311,074/x
3. Step 3: Cross multiply
   3,836,276x = 8,311,074 × 8,311,074
4. Step 4: Simplify right side
   3,836,276x = 69,073,951,033,476
5. Step 5: Solve for x
   x = 69,073,951,033,476/3,836,276
6. Step 6: Final answer
   x = 18,005,469.64