Finding the Third Proportional to 72,693 and 154,191

Step by Step Solution

1. Step 1: Write the proportion equation
   72,693 : 154,191 = 154,191 : x
2. Step 2: Convert to fraction form
   72,693/154,191 = 154,191/x
3. Step 3: Cross multiply
   72,693x = 154,191 × 154,191
4. Step 4: Simplify right side
   72,693x = 23,774,864,481
5. Step 5: Solve for x
   x = 23,774,864,481/72,693
6. Step 6: Final answer
   x = 327,058.51