Finding the Third Proportional to 9,942 and 13,454

Step by Step Solution

1. Step 1: Write the proportion equation
   9,942 : 13,454 = 13,454 : x
2. Step 2: Convert to fraction form
   9,942/13,454 = 13,454/x
3. Step 3: Cross multiply
   9,942x = 13,454 × 13,454
4. Step 4: Simplify right side
   9,942x = 181,010,116
5. Step 5: Solve for x
   x = 181,010,116/9,942
6. Step 6: Final answer
   x = 18,206.61