Finding the Third Proportional to 10,099 and 20,701

Step by Step Solution

1. Step 1: Write the proportion equation
   10,099 : 20,701 = 20,701 : x
2. Step 2: Convert to fraction form
   10,099/20,701 = 20,701/x
3. Step 3: Cross multiply
   10,099x = 20,701 × 20,701
4. Step 4: Simplify right side
   10,099x = 428,531,401
5. Step 5: Solve for x
   x = 428,531,401/10,099
6. Step 6: Final answer
   x = 42,433.05