Finding the Third Proportional to 13,055 and 19,889

Step by Step Solution

1. Step 1: Write the proportion equation
   13,055 : 19,889 = 19,889 : x
2. Step 2: Convert to fraction form
   13,055/19,889 = 19,889/x
3. Step 3: Cross multiply
   13,055x = 19,889 × 19,889
4. Step 4: Simplify right side
   13,055x = 395,572,321
5. Step 5: Solve for x
   x = 395,572,321/13,055
6. Step 6: Final answer
   x = 30,300.45