Finding the Third Proportional to 143,458 and 293,250

Step by Step Solution

1. Step 1: Write the proportion equation
   143,458 : 293,250 = 293,250 : x
2. Step 2: Convert to fraction form
   143,458/293,250 = 293,250/x
3. Step 3: Cross multiply
   143,458x = 293,250 × 293,250
4. Step 4: Simplify right side
   143,458x = 85,995,562,500
5. Step 5: Solve for x
   x = 85,995,562,500/143,458
6. Step 6: Final answer
   x = 599,447.66