Finding the Third Proportional to 3,855,849 and 8,375,454

Step by Step Solution

1. Step 1: Write the proportion equation
   3,855,849 : 8,375,454 = 8,375,454 : x
2. Step 2: Convert to fraction form
   3,855,849/8,375,454 = 8,375,454/x
3. Step 3: Cross multiply
   3,855,849x = 8,375,454 × 8,375,454
4. Step 4: Simplify right side
   3,855,849x = 70,148,229,706,116
5. Step 5: Solve for x
   x = 70,148,229,706,116/3,855,849
6. Step 6: Final answer
   x = 18,192,680.71