Finding the Third Proportional to 209,860 and 333,754

Step by Step Solution

1. Step 1: Write the proportion equation
   209,860 : 333,754 = 333,754 : x
2. Step 2: Convert to fraction form
   209,860/333,754 = 333,754/x
3. Step 3: Cross multiply
   209,860x = 333,754 × 333,754
4. Step 4: Simplify right side
   209,860x = 111,391,732,516
5. Step 5: Solve for x
   x = 111,391,732,516/209,860
6. Step 6: Final answer
   x = 530,790.68