Finding the Third Proportional to 71,153 and 155,185

Step by Step Solution

1. Step 1: Write the proportion equation
   71,153 : 155,185 = 155,185 : x
2. Step 2: Convert to fraction form
   71,153/155,185 = 155,185/x
3. Step 3: Cross multiply
   71,153x = 155,185 × 155,185
4. Step 4: Simplify right side
   71,153x = 24,082,384,225
5. Step 5: Solve for x
   x = 24,082,384,225/71,153
6. Step 6: Final answer
   x = 338,459.15