Finding the Third Proportional to 15,291.38 and 21,533.63

Step by Step Solution

1. Step 1: Write the proportion equation
   15,291.38 : 21,533.63 = 21,533.63 : x
2. Step 2: Convert to fraction form
   15,291.38/21,533.63 = 21,533.63/x
3. Step 3: Cross multiply
   15,291.38x = 21,533.63 × 21,533.63
4. Step 4: Simplify right side
   15,291.38x = 463,697,005.64
5. Step 5: Solve for x
   x = 463,697,005.64/15,291.38
6. Step 6: Final answer
   x = 30,324.09