Finding the Third Proportional to 51,815 and 111,901

Step by Step Solution

1. Step 1: Write the proportion equation
   51,815 : 111,901 = 111,901 : x
2. Step 2: Convert to fraction form
   51,815/111,901 = 111,901/x
3. Step 3: Cross multiply
   51,815x = 111,901 × 111,901
4. Step 4: Simplify right side
   51,815x = 12,521,833,801
5. Step 5: Solve for x
   x = 12,521,833,801/51,815
6. Step 6: Final answer
   x = 241,664.26