Finding the Third Proportional to 7,944.75 and 12,130.88

Step by Step Solution

1. Step 1: Write the proportion equation
   7,944.75 : 12,130.88 = 12,130.88 : x
2. Step 2: Convert to fraction form
   7,944.75/12,130.88 = 12,130.88/x
3. Step 3: Cross multiply
   7,944.75x = 12,130.88 × 12,130.88
4. Step 4: Simplify right side
   7,944.75x = 147,158,128.27
5. Step 5: Solve for x
   x = 147,158,128.27/7,944.75
6. Step 6: Final answer
   x = 18,522.69