Finding the Third Proportional to 1,009,870 and 2,212,872

Step by Step Solution

1. Step 1: Write the proportion equation
   1,009,870 : 2,212,872 = 2,212,872 : x
2. Step 2: Convert to fraction form
   1,009,870/2,212,872 = 2,212,872/x
3. Step 3: Cross multiply
   1,009,870x = 2,212,872 × 2,212,872
4. Step 4: Simplify right side
   1,009,870x = 4,896,802,488,384
5. Step 5: Solve for x
   x = 4,896,802,488,384/1,009,870
6. Step 6: Final answer
   x = 4,848,943.42