Finding the Third Proportional to 213,736.50 and 333,546

Step by Step Solution

1. Step 1: Write the proportion equation
   213,736.50 : 333,546 = 333,546 : x
2. Step 2: Convert to fraction form
   213,736.50/333,546 = 333,546/x
3. Step 3: Cross multiply
   213,736.50x = 333,546 × 333,546
4. Step 4: Simplify right side
   213,736.50x = 111,252,934,116
5. Step 5: Solve for x
   x = 111,252,934,116/213,736.50
6. Step 6: Final answer
   x = 520,514.44