Finding the Third Proportional to 1,015,977 and 2,220,857

Step by Step Solution

1. Step 1: Write the proportion equation
   1,015,977 : 2,220,857 = 2,220,857 : x
2. Step 2: Convert to fraction form
   1,015,977/2,220,857 = 2,220,857/x
3. Step 3: Cross multiply
   1,015,977x = 2,220,857 × 2,220,857
4. Step 4: Simplify right side
   1,015,977x = 4,932,205,814,449
5. Step 5: Solve for x
   x = 4,932,205,814,449/1,015,977
6. Step 6: Final answer
   x = 4,854,643.18