Finding the Third Proportional to 2,567,688 and 3,973,689

Step by Step Solution

1. Step 1: Write the proportion equation
   2,567,688 : 3,973,689 = 3,973,689 : x
2. Step 2: Convert to fraction form
   2,567,688/3,973,689 = 3,973,689/x
3. Step 3: Cross multiply
   2,567,688x = 3,973,689 × 3,973,689
4. Step 4: Simplify right side
   2,567,688x = 15,790,204,268,721
5. Step 5: Solve for x
   x = 15,790,204,268,721/2,567,688
6. Step 6: Final answer
   x = 6,149,580.58