Finding the Third Proportional to 1,228,122 and 2,655,990

Step by Step Solution

1. Step 1: Write the proportion equation
   1,228,122 : 2,655,990 = 2,655,990 : x
2. Step 2: Convert to fraction form
   1,228,122/2,655,990 = 2,655,990/x
3. Step 3: Cross multiply
   1,228,122x = 2,655,990 × 2,655,990
4. Step 4: Simplify right side
   1,228,122x = 7,054,282,880,100
5. Step 5: Solve for x
   x = 7,054,282,880,100/1,228,122
6. Step 6: Final answer
   x = 5,743,959.38