Finding the Third Proportional to 1,586,692 and 3,488,311

Step by Step Solution

1. Step 1: Write the proportion equation
   1,586,692 : 3,488,311 = 3,488,311 : x
2. Step 2: Convert to fraction form
   1,586,692/3,488,311 = 3,488,311/x
3. Step 3: Cross multiply
   1,586,692x = 3,488,311 × 3,488,311
4. Step 4: Simplify right side
   1,586,692x = 12,168,313,632,721
5. Step 5: Solve for x
   x = 12,168,313,632,721/1,586,692
6. Step 6: Final answer
   x = 7,668,982.78