Finding the Third Proportional to 3,920,910 and 8,493,204

Step by Step Solution

1. Step 1: Write the proportion equation
   3,920,910 : 8,493,204 = 8,493,204 : x
2. Step 2: Convert to fraction form
   3,920,910/8,493,204 = 8,493,204/x
3. Step 3: Cross multiply
   3,920,910x = 8,493,204 × 8,493,204
4. Step 4: Simplify right side
   3,920,910x = 72,134,514,185,616
5. Step 5: Solve for x
   x = 72,134,514,185,616/3,920,910
6. Step 6: Final answer
   x = 18,397,390.96