Finding the Third Proportional to 1,268,739 and 1,728,100

Step by Step Solution

1. Step 1: Write the proportion equation
   1,268,739 : 1,728,100 = 1,728,100 : x
2. Step 2: Convert to fraction form
   1,268,739/1,728,100 = 1,728,100/x
3. Step 3: Cross multiply
   1,268,739x = 1,728,100 × 1,728,100
4. Step 4: Simplify right side
   1,268,739x = 2,986,329,610,000
5. Step 5: Solve for x
   x = 2,986,329,610,000/1,268,739
6. Step 6: Final answer
   x = 2,353,777.74