Finding the Third Proportional to 13,969 and 21,865

Step by Step Solution

1. Step 1: Write the proportion equation
   13,969 : 21,865 = 21,865 : x
2. Step 2: Convert to fraction form
   13,969/21,865 = 21,865/x
3. Step 3: Cross multiply
   13,969x = 21,865 × 21,865
4. Step 4: Simplify right side
   13,969x = 478,078,225
5. Step 5: Solve for x
   x = 478,078,225/13,969
6. Step 6: Final answer
   x = 34,224.23