Finding the Third Proportional to 1,689,866 and 3,757,551

Step by Step Solution

1. Step 1: Write the proportion equation
   1,689,866 : 3,757,551 = 3,757,551 : x
2. Step 2: Convert to fraction form
   1,689,866/3,757,551 = 3,757,551/x
3. Step 3: Cross multiply
   1,689,866x = 3,757,551 × 3,757,551
4. Step 4: Simplify right side
   1,689,866x = 14,119,189,517,601
5. Step 5: Solve for x
   x = 14,119,189,517,601/1,689,866
6. Step 6: Final answer
   x = 8,355,212.49