Finding the Third Proportional to 112,764 and 248,856

Step by Step Solution

1. Step 1: Write the proportion equation
   112,764 : 248,856 = 248,856 : x
2. Step 2: Convert to fraction form
   112,764/248,856 = 248,856/x
3. Step 3: Cross multiply
   112,764x = 248,856 × 248,856
4. Step 4: Simplify right side
   112,764x = 61,929,308,736
5. Step 5: Solve for x
   x = 61,929,308,736/112,764
6. Step 6: Final answer
   x = 549,193.97