Finding the Third Proportional to 13,258.69 and 19,888.03

Step by Step Solution

1. Step 1: Write the proportion equation
   13,258.69 : 19,888.03 = 19,888.03 : x
2. Step 2: Convert to fraction form
   13,258.69/19,888.03 = 19,888.03/x
3. Step 3: Cross multiply
   13,258.69x = 19,888.03 × 19,888.03
4. Step 4: Simplify right side
   13,258.69x = 395,533,787.00
5. Step 5: Solve for x
   x = 395,533,787.00/13,258.69
6. Step 6: Final answer
   x = 29,832.05