Finding the Third Proportional to 67,854 and 144,725.25

Step by Step Solution

1. Step 1: Write the proportion equation
   67,854 : 144,725.25 = 144,725.25 : x
2. Step 2: Convert to fraction form
   67,854/144,725.25 = 144,725.25/x
3. Step 3: Cross multiply
   67,854x = 144,725.25 × 144,725.25
4. Step 4: Simplify right side
   67,854x = 20,945,397,987.56
5. Step 5: Solve for x
   x = 20,945,397,987.56/67,854
6. Step 6: Final answer
   x = 308,683.32