Finding the Third Proportional to 13,521.94 and 20,368.97

Step by Step Solution

1. Step 1: Write the proportion equation
   13,521.94 : 20,368.97 = 20,368.97 : x
2. Step 2: Convert to fraction form
   13,521.94/20,368.97 = 20,368.97/x
3. Step 3: Cross multiply
   13,521.94x = 20,368.97 × 20,368.97
4. Step 4: Simplify right side
   13,521.94x = 414,894,887.94
5. Step 5: Solve for x
   x = 414,894,887.94/13,521.94
6. Step 6: Final answer
   x = 30,683.09