Finding the Third Proportional to 111,379.50 and 240,147

Step by Step Solution

1. Step 1: Write the proportion equation
   111,379.50 : 240,147 = 240,147 : x
2. Step 2: Convert to fraction form
   111,379.50/240,147 = 240,147/x
3. Step 3: Cross multiply
   111,379.50x = 240,147 × 240,147
4. Step 4: Simplify right side
   111,379.50x = 57,670,581,609
5. Step 5: Solve for x
   x = 57,670,581,609/111,379.50
6. Step 6: Final answer
   x = 517,784.53