Finding the Third Proportional to 188,466 and 404,229

Step by Step Solution

1. Step 1: Write the proportion equation
   188,466 : 404,229 = 404,229 : x
2. Step 2: Convert to fraction form
   188,466/404,229 = 404,229/x
3. Step 3: Cross multiply
   188,466x = 404,229 × 404,229
4. Step 4: Simplify right side
   188,466x = 163,401,084,441
5. Step 5: Solve for x
   x = 163,401,084,441/188,466
6. Step 6: Final answer
   x = 867,005.64