Finding the Third Proportional to 1,018,611 and 2,158,644

Step by Step Solution

1. Step 1: Write the proportion equation
   1,018,611 : 2,158,644 = 2,158,644 : x
2. Step 2: Convert to fraction form
   1,018,611/2,158,644 = 2,158,644/x
3. Step 3: Cross multiply
   1,018,611x = 2,158,644 × 2,158,644
4. Step 4: Simplify right side
   1,018,611x = 4,659,743,918,736
5. Step 5: Solve for x
   x = 4,659,743,918,736/1,018,611
6. Step 6: Final answer
   x = 4,574,605.93