Finding the Third Proportional to 3,897,464 and 8,503,192

Step by Step Solution

1. Step 1: Write the proportion equation
   3,897,464 : 8,503,192 = 8,503,192 : x
2. Step 2: Convert to fraction form
   3,897,464/8,503,192 = 8,503,192/x
3. Step 3: Cross multiply
   3,897,464x = 8,503,192 × 8,503,192
4. Step 4: Simplify right side
   3,897,464x = 72,304,274,188,864
5. Step 5: Solve for x
   x = 72,304,274,188,864/3,897,464
6. Step 6: Final answer
   x = 18,551,620.79