Finding the Third Proportional to 3,836,274 and 8,311,071

Step by Step Solution

1. Step 1: Write the proportion equation
   3,836,274 : 8,311,071 = 8,311,071 : x
2. Step 2: Convert to fraction form
   3,836,274/8,311,071 = 8,311,071/x
3. Step 3: Cross multiply
   3,836,274x = 8,311,071 × 8,311,071
4. Step 4: Simplify right side
   3,836,274x = 69,073,901,167,041
5. Step 5: Solve for x
   x = 69,073,901,167,041/3,836,274
6. Step 6: Final answer
   x = 18,005,466.02