Finding the Third Proportional to 558,783 and 1,206,846

Step by Step Solution

1. Step 1: Write the proportion equation
   558,783 : 1,206,846 = 1,206,846 : x
2. Step 2: Convert to fraction form
   558,783/1,206,846 = 1,206,846/x
3. Step 3: Cross multiply
   558,783x = 1,206,846 × 1,206,846
4. Step 4: Simplify right side
   558,783x = 1,456,477,267,716
5. Step 5: Solve for x
   x = 1,456,477,267,716/558,783
6. Step 6: Final answer
   x = 2,606,516.78