Finding the Third Proportional to 51,217 and 111,181

Step by Step Solution

1. Step 1: Write the proportion equation
   51,217 : 111,181 = 111,181 : x
2. Step 2: Convert to fraction form
   51,217/111,181 = 111,181/x
3. Step 3: Cross multiply
   51,217x = 111,181 × 111,181
4. Step 4: Simplify right side
   51,217x = 12,361,214,761
5. Step 5: Solve for x
   x = 12,361,214,761/51,217
6. Step 6: Final answer
   x = 241,349.84