Finding the Third Proportional to 2,854,656 and 3,888,216

Step by Step Solution

1. Step 1: Write the proportion equation
   2,854,656 : 3,888,216 = 3,888,216 : x
2. Step 2: Convert to fraction form
   2,854,656/3,888,216 = 3,888,216/x
3. Step 3: Cross multiply
   2,854,656x = 3,888,216 × 3,888,216
4. Step 4: Simplify right side
   2,854,656x = 15,118,223,662,656
5. Step 5: Solve for x
   x = 15,118,223,662,656/2,854,656
6. Step 6: Final answer
   x = 5,295,987.91