Finding the Third Proportional to 67,865.34 and 144,743.52

Step by Step Solution

1. Step 1: Write the proportion equation
   67,865.34 : 144,743.52 = 144,743.52 : x
2. Step 2: Convert to fraction form
   67,865.34/144,743.52 = 144,743.52/x
3. Step 3: Cross multiply
   67,865.34x = 144,743.52 × 144,743.52
4. Step 4: Simplify right side
   67,865.34x = 20,950,686,446.29
5. Step 5: Solve for x
   x = 20,950,686,446.29/67,865.34
6. Step 6: Final answer
   x = 308,709.65