Finding the Third Proportional to 10,661.63 and 14,230.69

Step by Step Solution

1. Step 1: Write the proportion equation
   10,661.63 : 14,230.69 = 14,230.69 : x
2. Step 2: Convert to fraction form
   10,661.63/14,230.69 = 14,230.69/x
3. Step 3: Cross multiply
   10,661.63x = 14,230.69 × 14,230.69
4. Step 4: Simplify right side
   10,661.63x = 202,512,466.72
5. Step 5: Solve for x
   x = 202,512,466.72/10,661.63
6. Step 6: Final answer
   x = 18,994.52