Finding the Third Proportional to 1,382,240 and 2,257,088

Step by Step Solution

1. Step 1: Write the proportion equation
   1,382,240 : 2,257,088 = 2,257,088 : x
2. Step 2: Convert to fraction form
   1,382,240/2,257,088 = 2,257,088/x
3. Step 3: Cross multiply
   1,382,240x = 2,257,088 × 2,257,088
4. Step 4: Simplify right side
   1,382,240x = 5,094,446,239,744
5. Step 5: Solve for x
   x = 5,094,446,239,744/1,382,240
6. Step 6: Final answer
   x = 3,685,645.21