Finding the Third Proportional to 13,436.25 and 20,079.75

Step by Step Solution

1. Step 1: Write the proportion equation
   13,436.25 : 20,079.75 = 20,079.75 : x
2. Step 2: Convert to fraction form
   13,436.25/20,079.75 = 20,079.75/x
3. Step 3: Cross multiply
   13,436.25x = 20,079.75 × 20,079.75
4. Step 4: Simplify right side
   13,436.25x = 403,196,360.06
5. Step 5: Solve for x
   x = 403,196,360.06/13,436.25
6. Step 6: Final answer
   x = 30,008.10