Finding the Third Proportional to 72,672.75 and 154,141.31

Step by Step Solution

1. Step 1: Write the proportion equation
   72,672.75 : 154,141.31 = 154,141.31 : x
2. Step 2: Convert to fraction form
   72,672.75/154,141.31 = 154,141.31/x
3. Step 3: Cross multiply
   72,672.75x = 154,141.31 × 154,141.31
4. Step 4: Simplify right side
   72,672.75x = 23,759,544,219.22
5. Step 5: Solve for x
   x = 23,759,544,219.22/72,672.75
6. Step 6: Final answer
   x = 326,938.83