Finding the Third Proportional to 400,024 and 562,684

Step by Step Solution

1. Step 1: Write the proportion equation
   400,024 : 562,684 = 562,684 : x
2. Step 2: Convert to fraction form
   400,024/562,684 = 562,684/x
3. Step 3: Cross multiply
   400,024x = 562,684 × 562,684
4. Step 4: Simplify right side
   400,024x = 316,613,283,856
5. Step 5: Solve for x
   x = 316,613,283,856/400,024
6. Step 6: Final answer
   x = 791,485.72