Finding the Third Proportional to 13,297.50 and 20,234.25

Step by Step Solution

1. Step 1: Write the proportion equation
   13,297.50 : 20,234.25 = 20,234.25 : x
2. Step 2: Convert to fraction form
   13,297.50/20,234.25 = 20,234.25/x
3. Step 3: Cross multiply
   13,297.50x = 20,234.25 × 20,234.25
4. Step 4: Simplify right side
   13,297.50x = 409,424,873.06
5. Step 5: Solve for x
   x = 409,424,873.06/13,297.50
6. Step 6: Final answer
   x = 30,789.61