Finding the Third Proportional to 67,606.31 and 144,261.38

Step by Step Solution

1. Step 1: Write the proportion equation
   67,606.31 : 144,261.38 = 144,261.38 : x
2. Step 2: Convert to fraction form
   67,606.31/144,261.38 = 144,261.38/x
3. Step 3: Cross multiply
   67,606.31x = 144,261.38 × 144,261.38
4. Step 4: Simplify right side
   67,606.31x = 20,811,344,316.89
5. Step 5: Solve for x
   x = 20,811,344,316.89/67,606.31
6. Step 6: Final answer
   x = 307,831.38