Finding the Third Proportional to 4,183,993 and 6,465,336

Step by Step Solution

1. Step 1: Write the proportion equation
   4,183,993 : 6,465,336 = 6,465,336 : x
2. Step 2: Convert to fraction form
   4,183,993/6,465,336 = 6,465,336/x
3. Step 3: Cross multiply
   4,183,993x = 6,465,336 × 6,465,336
4. Step 4: Simplify right side
   4,183,993x = 41,800,569,592,896
5. Step 5: Solve for x
   x = 41,800,569,592,896/4,183,993
6. Step 6: Final answer
   x = 9,990,592.62