Finding the Third Proportional to 65,723.06 and 142,976.81

Step by Step Solution

1. Step 1: Write the proportion equation
   65,723.06 : 142,976.81 = 142,976.81 : x
2. Step 2: Convert to fraction form
   65,723.06/142,976.81 = 142,976.81/x
3. Step 3: Cross multiply
   65,723.06x = 142,976.81 × 142,976.81
4. Step 4: Simplify right side
   65,723.06x = 20,442,368,912.66
5. Step 5: Solve for x
   x = 20,442,368,912.66/65,723.06
6. Step 6: Final answer
   x = 311,037.98