Finding the Third Proportional to 245,488.50 and 333,238.50

Step by Step Solution

1. Step 1: Write the proportion equation
   245,488.50 : 333,238.50 = 333,238.50 : x
2. Step 2: Convert to fraction form
   245,488.50/333,238.50 = 333,238.50/x
3. Step 3: Cross multiply
   245,488.50x = 333,238.50 × 333,238.50
4. Step 4: Simplify right side
   245,488.50x = 111,047,897,882.25
5. Step 5: Solve for x
   x = 111,047,897,882.25/245,488.50
6. Step 6: Final answer
   x = 452,354.79