Finding the Third Proportional to 13,663.69 and 21,361.22

Step by Step Solution

1. Step 1: Write the proportion equation
   13,663.69 : 21,361.22 = 21,361.22 : x
2. Step 2: Convert to fraction form
   13,663.69/21,361.22 = 21,361.22/x
3. Step 3: Cross multiply
   13,663.69x = 21,361.22 × 21,361.22
4. Step 4: Simplify right side
   13,663.69x = 456,301,666.49
5. Step 5: Solve for x
   x = 456,301,666.49/13,663.69
6. Step 6: Final answer
   x = 33,395.21