Finding the Third Proportional to 3,893,442 and 8,385,876

Step by Step Solution

1. Step 1: Write the proportion equation
   3,893,442 : 8,385,876 = 8,385,876 : x
2. Step 2: Convert to fraction form
   3,893,442/8,385,876 = 8,385,876/x
3. Step 3: Cross multiply
   3,893,442x = 8,385,876 × 8,385,876
4. Step 4: Simplify right side
   3,893,442x = 70,322,916,287,376
5. Step 5: Solve for x
   x = 70,322,916,287,376/3,893,442
6. Step 6: Final answer
   x = 18,061,888.76