Finding the Third Proportional to 5,174 and 10,468

Step by Step Solution

1. Step 1: Write the proportion equation
   5,174 : 10,468 = 10,468 : x
2. Step 2: Convert to fraction form
   5,174/10,468 = 10,468/x
3. Step 3: Cross multiply
   5,174x = 10,468 × 10,468
4. Step 4: Simplify right side
   5,174x = 109,579,024
5. Step 5: Solve for x
   x = 109,579,024/5,174
6. Step 6: Final answer
   x = 21,178.78