Finding the Third Proportional to 72,096.78 and 155,286.61

Step by Step Solution

1. Step 1: Write the proportion equation
   72,096.78 : 155,286.61 = 155,286.61 : x
2. Step 2: Convert to fraction form
   72,096.78/155,286.61 = 155,286.61/x
3. Step 3: Cross multiply
   72,096.78x = 155,286.61 × 155,286.61
4. Step 4: Simplify right side
   72,096.78x = 24,113,931,506.12
5. Step 5: Solve for x
   x = 24,113,931,506.12/72,096.78
6. Step 6: Final answer
   x = 334,466.12