Finding the Third Proportional to 141,745.50 and 217,498.50

Step by Step Solution

1. Step 1: Write the proportion equation
   141,745.50 : 217,498.50 = 217,498.50 : x
2. Step 2: Convert to fraction form
   141,745.50/217,498.50 = 217,498.50/x
3. Step 3: Cross multiply
   141,745.50x = 217,498.50 × 217,498.50
4. Step 4: Simplify right side
   141,745.50x = 47,305,597,502.25
5. Step 5: Solve for x
   x = 47,305,597,502.25/141,745.50
6. Step 6: Final answer
   x = 333,736.15