Finding the Third Proportional to 13,599.69 and 21,017.19

Step by Step Solution

1. Step 1: Write the proportion equation
   13,599.69 : 21,017.19 = 21,017.19 : x
2. Step 2: Convert to fraction form
   13,599.69/21,017.19 = 21,017.19/x
3. Step 3: Cross multiply
   13,599.69x = 21,017.19 × 21,017.19
4. Step 4: Simplify right side
   13,599.69x = 441,722,170.41
5. Step 5: Solve for x
   x = 441,722,170.41/13,599.69
6. Step 6: Final answer
   x = 32,480.32