Finding the Third Proportional to 13,668.75 and 21,277.69

Step by Step Solution

1. Step 1: Write the proportion equation
   13,668.75 : 21,277.69 = 21,277.69 : x
2. Step 2: Convert to fraction form
   13,668.75/21,277.69 = 21,277.69/x
3. Step 3: Cross multiply
   13,668.75x = 21,277.69 × 21,277.69
4. Step 4: Simplify right side
   13,668.75x = 452,739,985.35
5. Step 5: Solve for x
   x = 452,739,985.35/13,668.75
6. Step 6: Final answer
   x = 33,122.27