Finding the Third Proportional to 2,607,764 and 3,989,147

Step by Step Solution

1. Step 1: Write the proportion equation
   2,607,764 : 3,989,147 = 3,989,147 : x
2. Step 2: Convert to fraction form
   2,607,764/3,989,147 = 3,989,147/x
3. Step 3: Cross multiply
   2,607,764x = 3,989,147 × 3,989,147
4. Step 4: Simplify right side
   2,607,764x = 15,913,293,787,609
5. Step 5: Solve for x
   x = 15,913,293,787,609/2,607,764
6. Step 6: Final answer
   x = 6,102,275.28