Finding the Third Proportional to 123,468 and 190,330

Step by Step Solution

1. Step 1: Write the proportion equation
   123,468 : 190,330 = 190,330 : x
2. Step 2: Convert to fraction form
   123,468/190,330 = 190,330/x
3. Step 3: Cross multiply
   123,468x = 190,330 × 190,330
4. Step 4: Simplify right side
   123,468x = 36,225,508,900
5. Step 5: Solve for x
   x = 36,225,508,900/123,468
6. Step 6: Final answer
   x = 293,399.98