Finding the Third Proportional to 317,083.50 and 490,764

Step by Step Solution

1. Step 1: Write the proportion equation
   317,083.50 : 490,764 = 490,764 : x
2. Step 2: Convert to fraction form
   317,083.50/490,764 = 490,764/x
3. Step 3: Cross multiply
   317,083.50x = 490,764 × 490,764
4. Step 4: Simplify right side
   317,083.50x = 240,849,303,696
5. Step 5: Solve for x
   x = 240,849,303,696/317,083.50
6. Step 6: Final answer
   x = 759,576.91