Finding the Third Proportional to 568,456 and 1,215,684

Step by Step Solution

1. Step 1: Write the proportion equation
   568,456 : 1,215,684 = 1,215,684 : x
2. Step 2: Convert to fraction form
   568,456/1,215,684 = 1,215,684/x
3. Step 3: Cross multiply
   568,456x = 1,215,684 × 1,215,684
4. Step 4: Simplify right side
   568,456x = 1,477,887,587,856
5. Step 5: Solve for x
   x = 1,477,887,587,856/568,456
6. Step 6: Final answer
   x = 2,599,827.58