Finding the Third Proportional to 15,732.56 and 21,996.56

Step by Step Solution

1. Step 1: Write the proportion equation
   15,732.56 : 21,996.56 = 21,996.56 : x
2. Step 2: Convert to fraction form
   15,732.56/21,996.56 = 21,996.56/x
3. Step 3: Cross multiply
   15,732.56x = 21,996.56 × 21,996.56
4. Step 4: Simplify right side
   15,732.56x = 483,848,761.82
5. Step 5: Solve for x
   x = 483,848,761.82/15,732.56
6. Step 6: Final answer
   x = 30,754.61