Finding the Third Proportional to 292,716 and 441,379.50

Step by Step Solution

1. Step 1: Write the proportion equation
   292,716 : 441,379.50 = 441,379.50 : x
2. Step 2: Convert to fraction form
   292,716/441,379.50 = 441,379.50/x
3. Step 3: Cross multiply
   292,716x = 441,379.50 × 441,379.50
4. Step 4: Simplify right side
   292,716x = 194,815,863,020.25
5. Step 5: Solve for x
   x = 194,815,863,020.25/292,716
6. Step 6: Final answer
   x = 665,545.66