Finding the Third Proportional to 141,399.50 and 333,508.75

Step by Step Solution

1. Step 1: Write the proportion equation
   141,399.50 : 333,508.75 = 333,508.75 : x
2. Step 2: Convert to fraction form
   141,399.50/333,508.75 = 333,508.75/x
3. Step 3: Cross multiply
   141,399.50x = 333,508.75 × 333,508.75
4. Step 4: Simplify right side
   141,399.50x = 111,228,086,326.56
5. Step 5: Solve for x
   x = 111,228,086,326.56/141,399.50
6. Step 6: Final answer
   x = 786,622.91