Finding the Third Proportional to 12,190 and 17,819

Step by Step Solution

1. Step 1: Write the proportion equation
   12,190 : 17,819 = 17,819 : x
2. Step 2: Convert to fraction form
   12,190/17,819 = 17,819/x
3. Step 3: Cross multiply
   12,190x = 17,819 × 17,819
4. Step 4: Simplify right side
   12,190x = 317,516,761
5. Step 5: Solve for x
   x = 317,516,761/12,190
6. Step 6: Final answer
   x = 26,047.31