Finding the Third Proportional to 13,002 and 19,989.25

Step by Step Solution

1. Step 1: Write the proportion equation
   13,002 : 19,989.25 = 19,989.25 : x
2. Step 2: Convert to fraction form
   13,002/19,989.25 = 19,989.25/x
3. Step 3: Cross multiply
   13,002x = 19,989.25 × 19,989.25
4. Step 4: Simplify right side
   13,002x = 399,570,115.56
5. Step 5: Solve for x
   x = 399,570,115.56/13,002
6. Step 6: Final answer
   x = 30,731.43