Finding the Third Proportional to 1,303,840 and 2,887,616

Step by Step Solution

1. Step 1: Write the proportion equation
   1,303,840 : 2,887,616 = 2,887,616 : x
2. Step 2: Convert to fraction form
   1,303,840/2,887,616 = 2,887,616/x
3. Step 3: Cross multiply
   1,303,840x = 2,887,616 × 2,887,616
4. Step 4: Simplify right side
   1,303,840x = 8,338,326,163,456
5. Step 5: Solve for x
   x = 8,338,326,163,456/1,303,840
6. Step 6: Final answer
   x = 6,395,206.59