Finding the Third Proportional to 565,642 and 1,219,844

Step by Step Solution

1. Step 1: Write the proportion equation
   565,642 : 1,219,844 = 1,219,844 : x
2. Step 2: Convert to fraction form
   565,642/1,219,844 = 1,219,844/x
3. Step 3: Cross multiply
   565,642x = 1,219,844 × 1,219,844
4. Step 4: Simplify right side
   565,642x = 1,488,019,384,336
5. Step 5: Solve for x
   x = 1,488,019,384,336/565,642
6. Step 6: Final answer
   x = 2,630,673.44