Finding the Third Proportional to 15,004.69 and 21,443.06

Step by Step Solution

1. Step 1: Write the proportion equation
   15,004.69 : 21,443.06 = 21,443.06 : x
2. Step 2: Convert to fraction form
   15,004.69/21,443.06 = 21,443.06/x
3. Step 3: Cross multiply
   15,004.69x = 21,443.06 × 21,443.06
4. Step 4: Simplify right side
   15,004.69x = 459,804,929.38
5. Step 5: Solve for x
   x = 459,804,929.38/15,004.69
6. Step 6: Final answer
   x = 30,644.09