Finding the Third Proportional to 1,420,212 and 1,997,622

Step by Step Solution

1. Step 1: Write the proportion equation
   1,420,212 : 1,997,622 = 1,997,622 : x
2. Step 2: Convert to fraction form
   1,420,212/1,997,622 = 1,997,622/x
3. Step 3: Cross multiply
   1,420,212x = 1,997,622 × 1,997,622
4. Step 4: Simplify right side
   1,420,212x = 3,990,493,654,884
5. Step 5: Solve for x
   x = 3,990,493,654,884/1,420,212
6. Step 6: Final answer
   x = 2,809,787.31