Finding the Third Proportional to 4,977 and 10,353

Step by Step Solution

1. Step 1: Write the proportion equation
   4,977 : 10,353 = 10,353 : x
2. Step 2: Convert to fraction form
   4,977/10,353 = 10,353/x
3. Step 3: Cross multiply
   4,977x = 10,353 × 10,353
4. Step 4: Simplify right side
   4,977x = 107,184,609
5. Step 5: Solve for x
   x = 107,184,609/4,977
6. Step 6: Final answer
   x = 21,535.99