Finding the Third Proportional to 9,142 and 13,956

Step by Step Solution

1. Step 1: Write the proportion equation
   9,142 : 13,956 = 13,956 : x
2. Step 2: Convert to fraction form
   9,142/13,956 = 13,956/x
3. Step 3: Cross multiply
   9,142x = 13,956 × 13,956
4. Step 4: Simplify right side
   9,142x = 194,769,936
5. Step 5: Solve for x
   x = 194,769,936/9,142
6. Step 6: Final answer
   x = 21,304.96