Finding the Third Proportional to 13,812 and 21,946

Step by Step Solution

1. Step 1: Write the proportion equation
   13,812 : 21,946 = 21,946 : x
2. Step 2: Convert to fraction form
   13,812/21,946 = 21,946/x
3. Step 3: Cross multiply
   13,812x = 21,946 × 21,946
4. Step 4: Simplify right side
   13,812x = 481,626,916
5. Step 5: Solve for x
   x = 481,626,916/13,812
6. Step 6: Final answer
   x = 34,870.18