Finding the Third Proportional to 3,897,483 and 8,503,218

Step by Step Solution

1. Step 1: Write the proportion equation
   3,897,483 : 8,503,218 = 8,503,218 : x
2. Step 2: Convert to fraction form
   3,897,483/8,503,218 = 8,503,218/x
3. Step 3: Cross multiply
   3,897,483x = 8,503,218 × 8,503,218
4. Step 4: Simplify right side
   3,897,483x = 72,304,716,355,524
5. Step 5: Solve for x
   x = 72,304,716,355,524/3,897,483
6. Step 6: Final answer
   x = 18,551,643.81