Finding the Third Proportional to 72,788 and 154,324

Step by Step Solution

1. Step 1: Write the proportion equation
   72,788 : 154,324 = 154,324 : x
2. Step 2: Convert to fraction form
   72,788/154,324 = 154,324/x
3. Step 3: Cross multiply
   72,788x = 154,324 × 154,324
4. Step 4: Simplify right side
   72,788x = 23,815,896,976
5. Step 5: Solve for x
   x = 23,815,896,976/72,788
6. Step 6: Final answer
   x = 327,195.38