Finding the Third Proportional to 2,222,212 and 3,146,478

Step by Step Solution

1. Step 1: Write the proportion equation
   2,222,212 : 3,146,478 = 3,146,478 : x
2. Step 2: Convert to fraction form
   2,222,212/3,146,478 = 3,146,478/x
3. Step 3: Cross multiply
   2,222,212x = 3,146,478 × 3,146,478
4. Step 4: Simplify right side
   2,222,212x = 9,900,323,804,484
5. Step 5: Solve for x
   x = 9,900,323,804,484/2,222,212
6. Step 6: Final answer
   x = 4,455,166.21