Finding the Third Proportional to 13,412.25 and 19,959.75

Step by Step Solution

1. Step 1: Write the proportion equation
   13,412.25 : 19,959.75 = 19,959.75 : x
2. Step 2: Convert to fraction form
   13,412.25/19,959.75 = 19,959.75/x
3. Step 3: Cross multiply
   13,412.25x = 19,959.75 × 19,959.75
4. Step 4: Simplify right side
   13,412.25x = 398,391,620.06
5. Step 5: Solve for x
   x = 398,391,620.06/13,412.25
6. Step 6: Final answer
   x = 29,703.56