Finding the Third Proportional to 1,892,990 and 4,105,372

Step by Step Solution

1. Step 1: Write the proportion equation
   1,892,990 : 4,105,372 = 4,105,372 : x
2. Step 2: Convert to fraction form
   1,892,990/4,105,372 = 4,105,372/x
3. Step 3: Cross multiply
   1,892,990x = 4,105,372 × 4,105,372
4. Step 4: Simplify right side
   1,892,990x = 16,854,079,258,384
5. Step 5: Solve for x
   x = 16,854,079,258,384/1,892,990
6. Step 6: Final answer
   x = 8,903,416.95