Finding the Third Proportional to 67,549.88 and 146,991.38

Step by Step Solution

1. Step 1: Write the proportion equation
   67,549.88 : 146,991.38 = 146,991.38 : x
2. Step 2: Convert to fraction form
   67,549.88/146,991.38 = 146,991.38/x
3. Step 3: Cross multiply
   67,549.88x = 146,991.38 × 146,991.38
4. Step 4: Simplify right side
   67,549.88x = 21,606,464,324.39
5. Step 5: Solve for x
   x = 21,606,464,324.39/67,549.88
6. Step 6: Final answer
   x = 319,859.43