Finding the Third Proportional to 136,556 and 284,012

Step by Step Solution

1. Step 1: Write the proportion equation
   136,556 : 284,012 = 284,012 : x
2. Step 2: Convert to fraction form
   136,556/284,012 = 284,012/x
3. Step 3: Cross multiply
   136,556x = 284,012 × 284,012
4. Step 4: Simplify right side
   136,556x = 80,662,816,144
5. Step 5: Solve for x
   x = 80,662,816,144/136,556
6. Step 6: Final answer
   x = 590,694.05