Finding the Third Proportional to 242,020.50 and 531,813

Step by Step Solution

1. Step 1: Write the proportion equation
   242,020.50 : 531,813 = 531,813 : x
2. Step 2: Convert to fraction form
   242,020.50/531,813 = 531,813/x
3. Step 3: Cross multiply
   242,020.50x = 531,813 × 531,813
4. Step 4: Simplify right side
   242,020.50x = 282,825,066,969
5. Step 5: Solve for x
   x = 282,825,066,969/242,020.50
6. Step 6: Final answer
   x = 1,168,599.63