Finding the Third Proportional to 1,166,661 and 1,569,198

Step by Step Solution

1. Step 1: Write the proportion equation
   1,166,661 : 1,569,198 = 1,569,198 : x
2. Step 2: Convert to fraction form
   1,166,661/1,569,198 = 1,569,198/x
3. Step 3: Cross multiply
   1,166,661x = 1,569,198 × 1,569,198
4. Step 4: Simplify right side
   1,166,661x = 2,462,382,363,204
5. Step 5: Solve for x
   x = 2,462,382,363,204/1,166,661
6. Step 6: Final answer
   x = 2,110,623.71