Finding the Third Proportional to 9,738.98 and 12,173.73

Step by Step Solution

1. Step 1: Write the proportion equation
   9,738.98 : 12,173.73 = 12,173.73 : x
2. Step 2: Convert to fraction form
   9,738.98/12,173.73 = 12,173.73/x
3. Step 3: Cross multiply
   9,738.98x = 12,173.73 × 12,173.73
4. Step 4: Simplify right side
   9,738.98x = 148,199,713.53
5. Step 5: Solve for x
   x = 148,199,713.53/9,738.98
6. Step 6: Final answer
   x = 15,217.16