Finding the Third Proportional to 3,897,462 and 8,503,188

Step by Step Solution

1. Step 1: Write the proportion equation
   3,897,462 : 8,503,188 = 8,503,188 : x
2. Step 2: Convert to fraction form
   3,897,462/8,503,188 = 8,503,188/x
3. Step 3: Cross multiply
   3,897,462x = 8,503,188 × 8,503,188
4. Step 4: Simplify right side
   3,897,462x = 72,304,206,163,344
5. Step 5: Solve for x
   x = 72,304,206,163,344/3,897,462
6. Step 6: Final answer
   x = 18,551,612.86