Finding the Third Proportional to 2,221,881 and 3,318,262

Step by Step Solution

1. Step 1: Write the proportion equation
   2,221,881 : 3,318,262 = 3,318,262 : x
2. Step 2: Convert to fraction form
   2,221,881/3,318,262 = 3,318,262/x
3. Step 3: Cross multiply
   2,221,881x = 3,318,262 × 3,318,262
4. Step 4: Simplify right side
   2,221,881x = 11,010,862,700,644
5. Step 5: Solve for x
   x = 11,010,862,700,644/2,221,881
6. Step 6: Final answer
   x = 4,955,649.16