Finding the Third Proportional to 143,993 and 202,685.25

Step by Step Solution

1. Step 1: Write the proportion equation
   143,993 : 202,685.25 = 202,685.25 : x
2. Step 2: Convert to fraction form
   143,993/202,685.25 = 202,685.25/x
3. Step 3: Cross multiply
   143,993x = 202,685.25 × 202,685.25
4. Step 4: Simplify right side
   143,993x = 41,081,310,567.56
5. Step 5: Solve for x
   x = 41,081,310,567.56/143,993
6. Step 6: Final answer
   x = 285,300.75