Finding the Third Proportional to 1,268,364 and 1,857,040

Step by Step Solution

1. Step 1: Write the proportion equation
   1,268,364 : 1,857,040 = 1,857,040 : x
2. Step 2: Convert to fraction form
   1,268,364/1,857,040 = 1,857,040/x
3. Step 3: Cross multiply
   1,268,364x = 1,857,040 × 1,857,040
4. Step 4: Simplify right side
   1,268,364x = 3,448,597,561,600
5. Step 5: Solve for x
   x = 3,448,597,561,600/1,268,364
6. Step 6: Final answer
   x = 2,718,933.65