Finding the Third Proportional to 112,876 and 248,036

Step by Step Solution

1. Step 1: Write the proportion equation
   112,876 : 248,036 = 248,036 : x
2. Step 2: Convert to fraction form
   112,876/248,036 = 248,036/x
3. Step 3: Cross multiply
   112,876x = 248,036 × 248,036
4. Step 4: Simplify right side
   112,876x = 61,521,857,296
5. Step 5: Solve for x
   x = 61,521,857,296/112,876
6. Step 6: Final answer
   x = 545,039.31