Finding the Third Proportional to 1,417,905 and 2,179,419

Step by Step Solution

1. Step 1: Write the proportion equation
   1,417,905 : 2,179,419 = 2,179,419 : x
2. Step 2: Convert to fraction form
   1,417,905/2,179,419 = 2,179,419/x
3. Step 3: Cross multiply
   1,417,905x = 2,179,419 × 2,179,419
4. Step 4: Simplify right side
   1,417,905x = 4,749,867,177,561
5. Step 5: Solve for x
   x = 4,749,867,177,561/1,417,905
6. Step 6: Final answer
   x = 3,349,919.20