Finding the Third Proportional to 1,420,202 and 1,997,607

Step by Step Solution

1. Step 1: Write the proportion equation
   1,420,202 : 1,997,607 = 1,997,607 : x
2. Step 2: Convert to fraction form
   1,420,202/1,997,607 = 1,997,607/x
3. Step 3: Cross multiply
   1,420,202x = 1,997,607 × 1,997,607
4. Step 4: Simplify right side
   1,420,202x = 3,990,433,726,449
5. Step 5: Solve for x
   x = 3,990,433,726,449/1,420,202
6. Step 6: Final answer
   x = 2,809,764.90