Finding the Third Proportional to 284,613 and 609,570

Step by Step Solution

1. Step 1: Write the proportion equation
   284,613 : 609,570 = 609,570 : x
2. Step 2: Convert to fraction form
   284,613/609,570 = 609,570/x
3. Step 3: Cross multiply
   284,613x = 609,570 × 609,570
4. Step 4: Simplify right side
   284,613x = 371,575,584,900
5. Step 5: Solve for x
   x = 371,575,584,900/284,613
6. Step 6: Final answer
   x = 1,305,546.78