Finding the Third Proportional to 205,492 and 301,128

Step by Step Solution

1. Step 1: Write the proportion equation
   205,492 : 301,128 = 301,128 : x
2. Step 2: Convert to fraction form
   205,492/301,128 = 301,128/x
3. Step 3: Cross multiply
   205,492x = 301,128 × 301,128
4. Step 4: Simplify right side
   205,492x = 90,678,072,384
5. Step 5: Solve for x
   x = 90,678,072,384/205,492
6. Step 6: Final answer
   x = 441,273.01