Finding the Third Proportional to 67,548.94 and 146,989.69

Step by Step Solution

1. Step 1: Write the proportion equation
   67,548.94 : 146,989.69 = 146,989.69 : x
2. Step 2: Convert to fraction form
   67,548.94/146,989.69 = 146,989.69/x
3. Step 3: Cross multiply
   67,548.94x = 146,989.69 × 146,989.69
4. Step 4: Simplify right side
   67,548.94x = 21,605,968,231.35
5. Step 5: Solve for x
   x = 21,605,968,231.35/67,548.94
6. Step 6: Final answer
   x = 319,856.52