Finding the Third Proportional to 13,921 and 30,843

Step by Step Solution

1. Step 1: Write the proportion equation
   13,921 : 30,843 = 30,843 : x
2. Step 2: Convert to fraction form
   13,921/30,843 = 30,843/x
3. Step 3: Cross multiply
   13,921x = 30,843 × 30,843
4. Step 4: Simplify right side
   13,921x = 951,290,649
5. Step 5: Solve for x
   x = 951,290,649/13,921
6. Step 6: Final answer
   x = 68,334.94