Finding the Third Proportional to 13,808 and 21,940

Step by Step Solution

1. Step 1: Write the proportion equation
   13,808 : 21,940 = 21,940 : x
2. Step 2: Convert to fraction form
   13,808/21,940 = 21,940/x
3. Step 3: Cross multiply
   13,808x = 21,940 × 21,940
4. Step 4: Simplify right side
   13,808x = 481,363,600
5. Step 5: Solve for x
   x = 481,363,600/13,808
6. Step 6: Final answer
   x = 34,861.21