Finding the Third Proportional to 13,981 and 21,817.50

Step by Step Solution

1. Step 1: Write the proportion equation
   13,981 : 21,817.50 = 21,817.50 : x
2. Step 2: Convert to fraction form
   13,981/21,817.50 = 21,817.50/x
3. Step 3: Cross multiply
   13,981x = 21,817.50 × 21,817.50
4. Step 4: Simplify right side
   13,981x = 476,003,306.25
5. Step 5: Solve for x
   x = 476,003,306.25/13,981
6. Step 6: Final answer
   x = 34,046.44