Finding the Third Proportional to 1,689,915 and 3,757,665

Step by Step Solution

1. Step 1: Write the proportion equation
   1,689,915 : 3,757,665 = 3,757,665 : x
2. Step 2: Convert to fraction form
   1,689,915/3,757,665 = 3,757,665/x
3. Step 3: Cross multiply
   1,689,915x = 3,757,665 × 3,757,665
4. Step 4: Simplify right side
   1,689,915x = 14,120,046,252,225
5. Step 5: Solve for x
   x = 14,120,046,252,225/1,689,915
6. Step 6: Final answer
   x = 8,355,477.20