Finding the Third Proportional to 1,007,721 and 2,212,029

Step by Step Solution

1. Step 1: Write the proportion equation
   1,007,721 : 2,212,029 = 2,212,029 : x
2. Step 2: Convert to fraction form
   1,007,721/2,212,029 = 2,212,029/x
3. Step 3: Cross multiply
   1,007,721x = 2,212,029 × 2,212,029
4. Step 4: Simplify right side
   1,007,721x = 4,893,072,296,841
5. Step 5: Solve for x
   x = 4,893,072,296,841/1,007,721
6. Step 6: Final answer
   x = 4,855,582.35