Finding the Third Proportional to 13,869.98 and 20,723.34

Step by Step Solution

1. Step 1: Write the proportion equation
   13,869.98 : 20,723.34 = 20,723.34 : x
2. Step 2: Convert to fraction form
   13,869.98/20,723.34 = 20,723.34/x
3. Step 3: Cross multiply
   13,869.98x = 20,723.34 × 20,723.34
4. Step 4: Simplify right side
   13,869.98x = 429,456,976.18
5. Step 5: Solve for x
   x = 429,456,976.18/13,869.98
6. Step 6: Final answer
   x = 30,963.05