Finding the Third Proportional to 7,851.94 and 12,072.38

Step by Step Solution

1. Step 1: Write the proportion equation
   7,851.94 : 12,072.38 = 12,072.38 : x
2. Step 2: Convert to fraction form
   7,851.94/12,072.38 = 12,072.38/x
3. Step 3: Cross multiply
   7,851.94x = 12,072.38 × 12,072.38
4. Step 4: Simplify right side
   7,851.94x = 145,742,238.14
5. Step 5: Solve for x
   x = 145,742,238.14/7,851.94
6. Step 6: Final answer
   x = 18,561.31