Finding the Third Proportional to 4,138,658 and 6,385,183

Step by Step Solution

1. Step 1: Write the proportion equation
   4,138,658 : 6,385,183 = 6,385,183 : x
2. Step 2: Convert to fraction form
   4,138,658/6,385,183 = 6,385,183/x
3. Step 3: Cross multiply
   4,138,658x = 6,385,183 × 6,385,183
4. Step 4: Simplify right side
   4,138,658x = 40,770,561,943,489
5. Step 5: Solve for x
   x = 40,770,561,943,489/4,138,658
6. Step 6: Final answer
   x = 9,851,155.12