Finding the Third Proportional to 67,869 and 144,753.75

Step by Step Solution

1. Step 1: Write the proportion equation
   67,869 : 144,753.75 = 144,753.75 : x
2. Step 2: Convert to fraction form
   67,869/144,753.75 = 144,753.75/x
3. Step 3: Cross multiply
   67,869x = 144,753.75 × 144,753.75
4. Step 4: Simplify right side
   67,869x = 20,953,648,139.06
5. Step 5: Solve for x
   x = 20,953,648,139.06/67,869
6. Step 6: Final answer
   x = 308,736.66