Finding the Third Proportional to 9,981.56 and 21,800.81

Step by Step Solution

1. Step 1: Write the proportion equation
   9,981.56 : 21,800.81 = 21,800.81 : x
2. Step 2: Convert to fraction form
   9,981.56/21,800.81 = 21,800.81/x
3. Step 3: Cross multiply
   9,981.56x = 21,800.81 × 21,800.81
4. Step 4: Simplify right side
   9,981.56x = 475,275,425.66
5. Step 5: Solve for x
   x = 475,275,425.66/9,981.56
6. Step 6: Final answer
   x = 47,615.33