Finding the Third Proportional to 565,817 and 1,219,843

Step by Step Solution

1. Step 1: Write the proportion equation
   565,817 : 1,219,843 = 1,219,843 : x
2. Step 2: Convert to fraction form
   565,817/1,219,843 = 1,219,843/x
3. Step 3: Cross multiply
   565,817x = 1,219,843 × 1,219,843
4. Step 4: Simplify right side
   565,817x = 1,488,016,944,649
5. Step 5: Solve for x
   x = 1,488,016,944,649/565,817
6. Step 6: Final answer
   x = 2,629,855.49