Finding the Third Proportional to 67,443.75 and 146,787.75

Step by Step Solution

1. Step 1: Write the proportion equation
   67,443.75 : 146,787.75 = 146,787.75 : x
2. Step 2: Convert to fraction form
   67,443.75/146,787.75 = 146,787.75/x
3. Step 3: Cross multiply
   67,443.75x = 146,787.75 × 146,787.75
4. Step 4: Simplify right side
   67,443.75x = 21,546,643,550.06
5. Step 5: Solve for x
   x = 21,546,643,550.06/67,443.75
6. Step 6: Final answer
   x = 319,475.76