Finding the Third Proportional to 1,420,236 and 1,997,658

Step by Step Solution

1. Step 1: Write the proportion equation
   1,420,236 : 1,997,658 = 1,997,658 : x
2. Step 2: Convert to fraction form
   1,420,236/1,997,658 = 1,997,658/x
3. Step 3: Cross multiply
   1,420,236x = 1,997,658 × 1,997,658
4. Step 4: Simplify right side
   1,420,236x = 3,990,637,484,964
5. Step 5: Solve for x
   x = 3,990,637,484,964/1,420,236
6. Step 6: Final answer
   x = 2,809,841.10