Finding the Third Proportional to 114,144 and 245,856

Step by Step Solution

1. Step 1: Write the proportion equation
   114,144 : 245,856 = 245,856 : x
2. Step 2: Convert to fraction form
   114,144/245,856 = 245,856/x
3. Step 3: Cross multiply
   114,144x = 245,856 × 245,856
4. Step 4: Simplify right side
   114,144x = 60,445,172,736
5. Step 5: Solve for x
   x = 60,445,172,736/114,144
6. Step 6: Final answer
   x = 529,551.91