Finding the Third Proportional to 3,897,470 and 8,503,204

Step by Step Solution

1. Step 1: Write the proportion equation
   3,897,470 : 8,503,204 = 8,503,204 : x
2. Step 2: Convert to fraction form
   3,897,470/8,503,204 = 8,503,204/x
3. Step 3: Cross multiply
   3,897,470x = 8,503,204 × 8,503,204
4. Step 4: Simplify right side
   3,897,470x = 72,304,478,265,616
5. Step 5: Solve for x
   x = 72,304,478,265,616/3,897,470
6. Step 6: Final answer
   x = 18,551,644.60