Finding the Third Proportional to 13,959.21 and 28,866.69

Step by Step Solution

1. Step 1: Write the proportion equation
   13,959.21 : 28,866.69 = 28,866.69 : x
2. Step 2: Convert to fraction form
   13,959.21/28,866.69 = 28,866.69/x
3. Step 3: Cross multiply
   13,959.21x = 28,866.69 × 28,866.69
4. Step 4: Simplify right side
   13,959.21x = 833,285,872.74
5. Step 5: Solve for x
   x = 833,285,872.74/13,959.21
6. Step 6: Final answer
   x = 59,694.34