Finding the Third Proportional to 9,286 and 13,931

Step by Step Solution

1. Step 1: Write the proportion equation
   9,286 : 13,931 = 13,931 : x
2. Step 2: Convert to fraction form
   9,286/13,931 = 13,931/x
3. Step 3: Cross multiply
   9,286x = 13,931 × 13,931
4. Step 4: Simplify right side
   9,286x = 194,072,761
5. Step 5: Solve for x
   x = 194,072,761/9,286
6. Step 6: Final answer
   x = 20,899.50