Finding the Third Proportional to 3,801,330 and 8,271,880

Step by Step Solution

1. Step 1: Write the proportion equation
   3,801,330 : 8,271,880 = 8,271,880 : x
2. Step 2: Convert to fraction form
   3,801,330/8,271,880 = 8,271,880/x
3. Step 3: Cross multiply
   3,801,330x = 8,271,880 × 8,271,880
4. Step 4: Simplify right side
   3,801,330x = 68,423,998,734,400
5. Step 5: Solve for x
   x = 68,423,998,734,400/3,801,330
6. Step 6: Final answer
   x = 18,000,015.45