Finding the Third Proportional to 10,315.69 and 13,933.69

Step by Step Solution

1. Step 1: Write the proportion equation
   10,315.69 : 13,933.69 = 13,933.69 : x
2. Step 2: Convert to fraction form
   10,315.69/13,933.69 = 13,933.69/x
3. Step 3: Cross multiply
   10,315.69x = 13,933.69 × 13,933.69
4. Step 4: Simplify right side
   10,315.69x = 194,147,647.35
5. Step 5: Solve for x
   x = 194,147,647.35/10,315.69
6. Step 6: Final answer
   x = 18,820.62