Finding the Third Proportional to 245,277 and 329,620.50

Step by Step Solution

1. Step 1: Write the proportion equation
   245,277 : 329,620.50 = 329,620.50 : x
2. Step 2: Convert to fraction form
   245,277/329,620.50 = 329,620.50/x
3. Step 3: Cross multiply
   245,277x = 329,620.50 × 329,620.50
4. Step 4: Simplify right side
   245,277x = 108,649,674,020.25
5. Step 5: Solve for x
   x = 108,649,674,020.25/245,277
6. Step 6: Final answer
   x = 442,967.23