Finding the Third Proportional to 1,728,976 and 2,777,984

Step by Step Solution

1. Step 1: Write the proportion equation
   1,728,976 : 2,777,984 = 2,777,984 : x
2. Step 2: Convert to fraction form
   1,728,976/2,777,984 = 2,777,984/x
3. Step 3: Cross multiply
   1,728,976x = 2,777,984 × 2,777,984
4. Step 4: Simplify right side
   1,728,976x = 7,717,195,104,256
5. Step 5: Solve for x
   x = 7,717,195,104,256/1,728,976
6. Step 6: Final answer
   x = 4,463,448.37