Finding the Third Proportional to 65,168.44 and 142,311.38

Step by Step Solution

1. Step 1: Write the proportion equation
   65,168.44 : 142,311.38 = 142,311.38 : x
2. Step 2: Convert to fraction form
   65,168.44/142,311.38 = 142,311.38/x
3. Step 3: Cross multiply
   65,168.44x = 142,311.38 × 142,311.38
4. Step 4: Simplify right side
   65,168.44x = 20,252,527,454.39
5. Step 5: Solve for x
   x = 20,252,527,454.39/65,168.44
6. Step 6: Final answer
   x = 310,772.03