Finding the Third Proportional to 3,802,198 and 8,454,490

Step by Step Solution

1. Step 1: Write the proportion equation
   3,802,198 : 8,454,490 = 8,454,490 : x
2. Step 2: Convert to fraction form
   3,802,198/8,454,490 = 8,454,490/x
3. Step 3: Cross multiply
   3,802,198x = 8,454,490 × 8,454,490
4. Step 4: Simplify right side
   3,802,198x = 71,478,401,160,100
5. Step 5: Solve for x
   x = 71,478,401,160,100/3,802,198
6. Step 6: Final answer
   x = 18,799,231.70