Finding the Third Proportional to 1,268,740 and 1,728,102

Step by Step Solution

1. Step 1: Write the proportion equation
   1,268,740 : 1,728,102 = 1,728,102 : x
2. Step 2: Convert to fraction form
   1,268,740/1,728,102 = 1,728,102/x
3. Step 3: Cross multiply
   1,268,740x = 1,728,102 × 1,728,102
4. Step 4: Simplify right side
   1,268,740x = 2,986,336,522,404
5. Step 5: Solve for x
   x = 2,986,336,522,404/1,268,740
6. Step 6: Final answer
   x = 2,353,781.33