Finding the Third Proportional to 72,673.50 and 154,142.25

Step by Step Solution

1. Step 1: Write the proportion equation
   72,673.50 : 154,142.25 = 154,142.25 : x
2. Step 2: Convert to fraction form
   72,673.50/154,142.25 = 154,142.25/x
3. Step 3: Cross multiply
   72,673.50x = 154,142.25 × 154,142.25
4. Step 4: Simplify right side
   72,673.50x = 23,759,833,235.06
5. Step 5: Solve for x
   x = 23,759,833,235.06/72,673.50
6. Step 6: Final answer
   x = 326,939.44