Finding the Third Proportional to 3,894,093 and 8,521,103.25

Step by Step Solution

1. Step 1: Write the proportion equation
   3,894,093 : 8,521,103.25 = 8,521,103.25 : x
2. Step 2: Convert to fraction form
   3,894,093/8,521,103.25 = 8,521,103.25/x
3. Step 3: Cross multiply
   3,894,093x = 8,521,103.25 × 8,521,103.25
4. Step 4: Simplify right side
   3,894,093x = 72,609,200,597,160.56
5. Step 5: Solve for x
   x = 72,609,200,597,160.56/3,894,093
6. Step 6: Final answer
   x = 18,645,985.24