Finding the Third Proportional to 1,728,420 and 2,489,852

Step by Step Solution

1. Step 1: Write the proportion equation
   1,728,420 : 2,489,852 = 2,489,852 : x
2. Step 2: Convert to fraction form
   1,728,420/2,489,852 = 2,489,852/x
3. Step 3: Cross multiply
   1,728,420x = 2,489,852 × 2,489,852
4. Step 4: Simplify right side
   1,728,420x = 6,199,362,981,904
5. Step 5: Solve for x
   x = 6,199,362,981,904/1,728,420
6. Step 6: Final answer
   x = 3,586,722.55