Finding the Third Proportional to 2,115,371 and 3,222,656

Step by Step Solution

1. Step 1: Write the proportion equation
   2,115,371 : 3,222,656 = 3,222,656 : x
2. Step 2: Convert to fraction form
   2,115,371/3,222,656 = 3,222,656/x
3. Step 3: Cross multiply
   2,115,371x = 3,222,656 × 3,222,656
4. Step 4: Simplify right side
   2,115,371x = 10,385,511,694,336
5. Step 5: Solve for x
   x = 10,385,511,694,336/2,115,371
6. Step 6: Final answer
   x = 4,909,546.22