Finding the Third Proportional to 72,405 and 154,935

Step by Step Solution

1. Step 1: Write the proportion equation
   72,405 : 154,935 = 154,935 : x
2. Step 2: Convert to fraction form
   72,405/154,935 = 154,935/x
3. Step 3: Cross multiply
   72,405x = 154,935 × 154,935
4. Step 4: Simplify right side
   72,405x = 24,004,854,225
5. Step 5: Solve for x
   x = 24,004,854,225/72,405
6. Step 6: Final answer
   x = 331,535.86