Finding the Third Proportional to 7,719.05 and 12,292.38

Step by Step Solution

1. Step 1: Write the proportion equation
   7,719.05 : 12,292.38 = 12,292.38 : x
2. Step 2: Convert to fraction form
   7,719.05/12,292.38 = 12,292.38/x
3. Step 3: Cross multiply
   7,719.05x = 12,292.38 × 12,292.38
4. Step 4: Simplify right side
   7,719.05x = 151,102,675.21
5. Step 5: Solve for x
   x = 151,102,675.21/7,719.05
6. Step 6: Final answer
   x = 19,575.30