Finding the Third Proportional to 13,916 and 21,551

Step by Step Solution

1. Step 1: Write the proportion equation
   13,916 : 21,551 = 21,551 : x
2. Step 2: Convert to fraction form
   13,916/21,551 = 21,551/x
3. Step 3: Cross multiply
   13,916x = 21,551 × 21,551
4. Step 4: Simplify right side
   13,916x = 464,445,601
5. Step 5: Solve for x
   x = 464,445,601/13,916
6. Step 6: Final answer
   x = 33,374.94