Finding the Third Proportional to 12,118 and 19,258

Step by Step Solution

1. Step 1: Write the proportion equation
   12,118 : 19,258 = 19,258 : x
2. Step 2: Convert to fraction form
   12,118/19,258 = 19,258/x
3. Step 3: Cross multiply
   12,118x = 19,258 × 19,258
4. Step 4: Simplify right side
   12,118x = 370,870,564
5. Step 5: Solve for x
   x = 370,870,564/12,118
6. Step 6: Final answer
   x = 30,604.93