Finding the Third Proportional to 3,864,202 and 8,474,900

Step by Step Solution

1. Step 1: Write the proportion equation
   3,864,202 : 8,474,900 = 8,474,900 : x
2. Step 2: Convert to fraction form
   3,864,202/8,474,900 = 8,474,900/x
3. Step 3: Cross multiply
   3,864,202x = 8,474,900 × 8,474,900
4. Step 4: Simplify right side
   3,864,202x = 71,823,930,010,000
5. Step 5: Solve for x
   x = 71,823,930,010,000/3,864,202
6. Step 6: Final answer
   x = 18,587,001.92