Finding the Third Proportional to 2,805,200 and 3,969,336

Step by Step Solution

1. Step 1: Write the proportion equation
   2,805,200 : 3,969,336 = 3,969,336 : x
2. Step 2: Convert to fraction form
   2,805,200/3,969,336 = 3,969,336/x
3. Step 3: Cross multiply
   2,805,200x = 3,969,336 × 3,969,336
4. Step 4: Simplify right side
   2,805,200x = 15,755,628,280,896
5. Step 5: Solve for x
   x = 15,755,628,280,896/2,805,200
6. Step 6: Final answer
   x = 5,616,579.31