Finding the Third Proportional to 153,318 and 333,636

Step by Step Solution

1. Step 1: Write the proportion equation
   153,318 : 333,636 = 333,636 : x
2. Step 2: Convert to fraction form
   153,318/333,636 = 333,636/x
3. Step 3: Cross multiply
   153,318x = 333,636 × 333,636
4. Step 4: Simplify right side
   153,318x = 111,312,980,496
5. Step 5: Solve for x
   x = 111,312,980,496/153,318
6. Step 6: Final answer
   x = 726,026.82