Finding the Third Proportional to 120,927 and 190,665

Step by Step Solution

1. Step 1: Write the proportion equation
   120,927 : 190,665 = 190,665 : x
2. Step 2: Convert to fraction form
   120,927/190,665 = 190,665/x
3. Step 3: Cross multiply
   120,927x = 190,665 × 190,665
4. Step 4: Simplify right side
   120,927x = 36,353,142,225
5. Step 5: Solve for x
   x = 36,353,142,225/120,927
6. Step 6: Final answer
   x = 300,620.56