Finding the Third Proportional to 565,578 and 1,217,844

Step by Step Solution

1. Step 1: Write the proportion equation
   565,578 : 1,217,844 = 1,217,844 : x
2. Step 2: Convert to fraction form
   565,578/1,217,844 = 1,217,844/x
3. Step 3: Cross multiply
   565,578x = 1,217,844 × 1,217,844
4. Step 4: Simplify right side
   565,578x = 1,483,144,008,336
5. Step 5: Solve for x
   x = 1,483,144,008,336/565,578
6. Step 6: Final answer
   x = 2,622,350.95