Finding the Third Proportional to 1,196,640 and 1,790,910

Step by Step Solution

1. Step 1: Write the proportion equation
   1,196,640 : 1,790,910 = 1,790,910 : x
2. Step 2: Convert to fraction form
   1,196,640/1,790,910 = 1,790,910/x
3. Step 3: Cross multiply
   1,196,640x = 1,790,910 × 1,790,910
4. Step 4: Simplify right side
   1,196,640x = 3,207,358,628,100
5. Step 5: Solve for x
   x = 3,207,358,628,100/1,196,640
6. Step 6: Final answer
   x = 2,680,303.71