Finding the Third Proportional to 13,659.75 and 21,441.38

Step by Step Solution

1. Step 1: Write the proportion equation
   13,659.75 : 21,441.38 = 21,441.38 : x
2. Step 2: Convert to fraction form
   13,659.75/21,441.38 = 21,441.38/x
3. Step 3: Cross multiply
   13,659.75x = 21,441.38 × 21,441.38
4. Step 4: Simplify right side
   13,659.75x = 459,732,561.89
5. Step 5: Solve for x
   x = 459,732,561.89/13,659.75
6. Step 6: Final answer
   x = 33,656.00