Finding the Third Proportional to 1,422,608 and 2,181,274

Step by Step Solution

1. Step 1: Write the proportion equation
   1,422,608 : 2,181,274 = 2,181,274 : x
2. Step 2: Convert to fraction form
   1,422,608/2,181,274 = 2,181,274/x
3. Step 3: Cross multiply
   1,422,608x = 2,181,274 × 2,181,274
4. Step 4: Simplify right side
   1,422,608x = 4,757,956,263,076
5. Step 5: Solve for x
   x = 4,757,956,263,076/1,422,608
6. Step 6: Final answer
   x = 3,344,530.79