Finding the Third Proportional to 728,288 and 1,589,984

Step by Step Solution

1. Step 1: Write the proportion equation
   728,288 : 1,589,984 = 1,589,984 : x
2. Step 2: Convert to fraction form
   728,288/1,589,984 = 1,589,984/x
3. Step 3: Cross multiply
   728,288x = 1,589,984 × 1,589,984
4. Step 4: Simplify right side
   728,288x = 2,528,049,120,256
5. Step 5: Solve for x
   x = 2,528,049,120,256/728,288
6. Step 6: Final answer
   x = 3,471,221.71