Finding the Third Proportional to 239,945 and 525,087.50

Step by Step Solution

1. Step 1: Write the proportion equation
   239,945 : 525,087.50 = 525,087.50 : x
2. Step 2: Convert to fraction form
   239,945/525,087.50 = 525,087.50/x
3. Step 3: Cross multiply
   239,945x = 525,087.50 × 525,087.50
4. Step 4: Simplify right side
   239,945x = 275,716,882,656.25
5. Step 5: Solve for x
   x = 275,716,882,656.25/239,945
6. Step 6: Final answer
   x = 1,149,083.68