Finding the Third Proportional to 239,808 and 525,300

Step by Step Solution

1. Step 1: Write the proportion equation
   239,808 : 525,300 = 525,300 : x
2. Step 2: Convert to fraction form
   239,808/525,300 = 525,300/x
3. Step 3: Cross multiply
   239,808x = 525,300 × 525,300
4. Step 4: Simplify right side
   239,808x = 275,940,090,000
5. Step 5: Solve for x
   x = 275,940,090,000/239,808
6. Step 6: Final answer
   x = 1,150,670.91