Finding the Third Proportional to 565,560 and 1,219,678

Step by Step Solution

1. Step 1: Write the proportion equation
   565,560 : 1,219,678 = 1,219,678 : x
2. Step 2: Convert to fraction form
   565,560/1,219,678 = 1,219,678/x
3. Step 3: Cross multiply
   565,560x = 1,219,678 × 1,219,678
4. Step 4: Simplify right side
   565,560x = 1,487,614,423,684
5. Step 5: Solve for x
   x = 1,487,614,423,684/565,560
6. Step 6: Final answer
   x = 2,630,338.82