Finding the Third Proportional to 1,864,064 and 3,993,704

Step by Step Solution

1. Step 1: Write the proportion equation
   1,864,064 : 3,993,704 = 3,993,704 : x
2. Step 2: Convert to fraction form
   1,864,064/3,993,704 = 3,993,704/x
3. Step 3: Cross multiply
   1,864,064x = 3,993,704 × 3,993,704
4. Step 4: Simplify right side
   1,864,064x = 15,949,671,639,616
5. Step 5: Solve for x
   x = 15,949,671,639,616/1,864,064
6. Step 6: Final answer
   x = 8,556,397.01