Finding the Third Proportional to 13,401 and 19,700.25

Step by Step Solution

1. Step 1: Write the proportion equation
   13,401 : 19,700.25 = 19,700.25 : x
2. Step 2: Convert to fraction form
   13,401/19,700.25 = 19,700.25/x
3. Step 3: Cross multiply
   13,401x = 19,700.25 × 19,700.25
4. Step 4: Simplify right side
   13,401x = 388,099,850.06
5. Step 5: Solve for x
   x = 388,099,850.06/13,401
6. Step 6: Final answer
   x = 28,960.51