Finding the Third Proportional to 1,331,691 and 2,086,785

Step by Step Solution

1. Step 1: Write the proportion equation
   1,331,691 : 2,086,785 = 2,086,785 : x
2. Step 2: Convert to fraction form
   1,331,691/2,086,785 = 2,086,785/x
3. Step 3: Cross multiply
   1,331,691x = 2,086,785 × 2,086,785
4. Step 4: Simplify right side
   1,331,691x = 4,354,671,636,225
5. Step 5: Solve for x
   x = 4,354,671,636,225/1,331,691
6. Step 6: Final answer
   x = 3,270,031.59