Finding the Third Proportional to 5,055 and 10,358

Step by Step Solution

1. Step 1: Write the proportion equation
   5,055 : 10,358 = 10,358 : x
2. Step 2: Convert to fraction form
   5,055/10,358 = 10,358/x
3. Step 3: Cross multiply
   5,055x = 10,358 × 10,358
4. Step 4: Simplify right side
   5,055x = 107,288,164
5. Step 5: Solve for x
   x = 107,288,164/5,055
6. Step 6: Final answer
   x = 21,224.17