Finding the Third Proportional to 72,673 and 154,154

Step by Step Solution

1. Step 1: Write the proportion equation
   72,673 : 154,154 = 154,154 : x
2. Step 2: Convert to fraction form
   72,673/154,154 = 154,154/x
3. Step 3: Cross multiply
   72,673x = 154,154 × 154,154
4. Step 4: Simplify right side
   72,673x = 23,763,455,716
5. Step 5: Solve for x
   x = 23,763,455,716/72,673
6. Step 6: Final answer
   x = 326,991.53