Finding the Third Proportional to 300,466 and 609,228

Step by Step Solution

1. Step 1: Write the proportion equation
   300,466 : 609,228 = 609,228 : x
2. Step 2: Convert to fraction form
   300,466/609,228 = 609,228/x
3. Step 3: Cross multiply
   300,466x = 609,228 × 609,228
4. Step 4: Simplify right side
   300,466x = 371,158,755,984
5. Step 5: Solve for x
   x = 371,158,755,984/300,466
6. Step 6: Final answer
   x = 1,235,277.06