Finding the Third Proportional to 2,221,841 and 3,318,228

Step by Step Solution

1. Step 1: Write the proportion equation
   2,221,841 : 3,318,228 = 3,318,228 : x
2. Step 2: Convert to fraction form
   2,221,841/3,318,228 = 3,318,228/x
3. Step 3: Cross multiply
   2,221,841x = 3,318,228 × 3,318,228
4. Step 4: Simplify right side
   2,221,841x = 11,010,637,059,984
5. Step 5: Solve for x
   x = 11,010,637,059,984/2,221,841
6. Step 6: Final answer
   x = 4,955,636.82