Finding the Third Proportional to 113,992 and 248,956

Step by Step Solution

1. Step 1: Write the proportion equation
   113,992 : 248,956 = 248,956 : x
2. Step 2: Convert to fraction form
   113,992/248,956 = 248,956/x
3. Step 3: Cross multiply
   113,992x = 248,956 × 248,956
4. Step 4: Simplify right side
   113,992x = 61,979,089,936
5. Step 5: Solve for x
   x = 61,979,089,936/113,992
6. Step 6: Final answer
   x = 543,714.38