Finding the Third Proportional to 13,612 and 21,654

Step by Step Solution

1. Step 1: Write the proportion equation
   13,612 : 21,654 = 21,654 : x
2. Step 2: Convert to fraction form
   13,612/21,654 = 21,654/x
3. Step 3: Cross multiply
   13,612x = 21,654 × 21,654
4. Step 4: Simplify right side
   13,612x = 468,895,716
5. Step 5: Solve for x
   x = 468,895,716/13,612
6. Step 6: Final answer
   x = 34,447.23