Finding the Third Proportional to 1,681,569 and 3,690,161

Step by Step Solution

1. Step 1: Write the proportion equation
   1,681,569 : 3,690,161 = 3,690,161 : x
2. Step 2: Convert to fraction form
   1,681,569/3,690,161 = 3,690,161/x
3. Step 3: Cross multiply
   1,681,569x = 3,690,161 × 3,690,161
4. Step 4: Simplify right side
   1,681,569x = 13,617,288,205,921
5. Step 5: Solve for x
   x = 13,617,288,205,921/1,681,569
6. Step 6: Final answer
   x = 8,097,965.77