Finding the Third Proportional to 1,689,922 and 3,757,678

Step by Step Solution

1. Step 1: Write the proportion equation
   1,689,922 : 3,757,678 = 3,757,678 : x
2. Step 2: Convert to fraction form
   1,689,922/3,757,678 = 3,757,678/x
3. Step 3: Cross multiply
   1,689,922x = 3,757,678 × 3,757,678
4. Step 4: Simplify right side
   1,689,922x = 14,120,143,951,684
5. Step 5: Solve for x
   x = 14,120,143,951,684/1,689,922
6. Step 6: Final answer
   x = 8,355,500.40