Finding the Third Proportional to 339,033 and 525,289.50

Step by Step Solution

1. Step 1: Write the proportion equation
   339,033 : 525,289.50 = 525,289.50 : x
2. Step 2: Convert to fraction form
   339,033/525,289.50 = 525,289.50/x
3. Step 3: Cross multiply
   339,033x = 525,289.50 × 525,289.50
4. Step 4: Simplify right side
   339,033x = 275,929,058,810.25
5. Step 5: Solve for x
   x = 275,929,058,810.25/339,033
6. Step 6: Final answer
   x = 813,870.80