Finding the Third Proportional to 14,665 and 21,015.25

Step by Step Solution

1. Step 1: Write the proportion equation
   14,665 : 21,015.25 = 21,015.25 : x
2. Step 2: Convert to fraction form
   14,665/21,015.25 = 21,015.25/x
3. Step 3: Cross multiply
   14,665x = 21,015.25 × 21,015.25
4. Step 4: Simplify right side
   14,665x = 441,640,732.56
5. Step 5: Solve for x
   x = 441,640,732.56/14,665
6. Step 6: Final answer
   x = 30,115.29