Finding the Third Proportional to 109,044 and 168,390

Step by Step Solution

1. Step 1: Write the proportion equation
   109,044 : 168,390 = 168,390 : x
2. Step 2: Convert to fraction form
   109,044/168,390 = 168,390/x
3. Step 3: Cross multiply
   109,044x = 168,390 × 168,390
4. Step 4: Simplify right side
   109,044x = 28,355,192,100
5. Step 5: Solve for x
   x = 28,355,192,100/109,044
6. Step 6: Final answer
   x = 260,034.41