Finding the Third Proportional to 143,382 and 215,125.50

Step by Step Solution

1. Step 1: Write the proportion equation
   143,382 : 215,125.50 = 215,125.50 : x
2. Step 2: Convert to fraction form
   143,382/215,125.50 = 215,125.50/x
3. Step 3: Cross multiply
   143,382x = 215,125.50 × 215,125.50
4. Step 4: Simplify right side
   143,382x = 46,278,980,750.25
5. Step 5: Solve for x
   x = 46,278,980,750.25/143,382
6. Step 6: Final answer
   x = 322,767.02