Finding the Third Proportional to 2,317,599 and 3,118,689

Step by Step Solution

1. Step 1: Write the proportion equation
   2,317,599 : 3,118,689 = 3,118,689 : x
2. Step 2: Convert to fraction form
   2,317,599/3,118,689 = 3,118,689/x
3. Step 3: Cross multiply
   2,317,599x = 3,118,689 × 3,118,689
4. Step 4: Simplify right side
   2,317,599x = 9,726,221,078,721
5. Step 5: Solve for x
   x = 9,726,221,078,721/2,317,599
6. Step 6: Final answer
   x = 4,196,679.87