Finding the Third Proportional to 5,421 and 10,194

Step by Step Solution

1. Step 1: Write the proportion equation
   5,421 : 10,194 = 10,194 : x
2. Step 2: Convert to fraction form
   5,421/10,194 = 10,194/x
3. Step 3: Cross multiply
   5,421x = 10,194 × 10,194
4. Step 4: Simplify right side
   5,421x = 103,917,636
5. Step 5: Solve for x
   x = 103,917,636/5,421
6. Step 6: Final answer
   x = 19,169.46