Finding the Third Proportional to 72,405.50 and 154,936

Step by Step Solution

1. Step 1: Write the proportion equation
   72,405.50 : 154,936 = 154,936 : x
2. Step 2: Convert to fraction form
   72,405.50/154,936 = 154,936/x
3. Step 3: Cross multiply
   72,405.50x = 154,936 × 154,936
4. Step 4: Simplify right side
   72,405.50x = 24,005,164,096
5. Step 5: Solve for x
   x = 24,005,164,096/72,405.50
6. Step 6: Final answer
   x = 331,537.85