Finding the Third Proportional to 13,968 and 21,591

Step by Step Solution

1. Step 1: Write the proportion equation
   13,968 : 21,591 = 21,591 : x
2. Step 2: Convert to fraction form
   13,968/21,591 = 21,591/x
3. Step 3: Cross multiply
   13,968x = 21,591 × 21,591
4. Step 4: Simplify right side
   13,968x = 466,171,281
5. Step 5: Solve for x
   x = 466,171,281/13,968
6. Step 6: Final answer
   x = 33,374.23