Finding the Third Proportional to 102,390.50 and 155,017

Step by Step Solution

1. Step 1: Write the proportion equation
   102,390.50 : 155,017 = 155,017 : x
2. Step 2: Convert to fraction form
   102,390.50/155,017 = 155,017/x
3. Step 3: Cross multiply
   102,390.50x = 155,017 × 155,017
4. Step 4: Simplify right side
   102,390.50x = 24,030,270,289
5. Step 5: Solve for x
   x = 24,030,270,289/102,390.50
6. Step 6: Final answer
   x = 234,692.38