Finding the Third Proportional to 7,860.38 and 12,268.88

Step by Step Solution

1. Step 1: Write the proportion equation
   7,860.38 : 12,268.88 = 12,268.88 : x
2. Step 2: Convert to fraction form
   7,860.38/12,268.88 = 12,268.88/x
3. Step 3: Cross multiply
   7,860.38x = 12,268.88 × 12,268.88
4. Step 4: Simplify right side
   7,860.38x = 150,525,293.77
5. Step 5: Solve for x
   x = 150,525,293.77/7,860.38
6. Step 6: Final answer
   x = 19,149.89