Finding the Third Proportional to 140,185.50 and 298,722

Step by Step Solution

1. Step 1: Write the proportion equation
   140,185.50 : 298,722 = 298,722 : x
2. Step 2: Convert to fraction form
   140,185.50/298,722 = 298,722/x
3. Step 3: Cross multiply
   140,185.50x = 298,722 × 298,722
4. Step 4: Simplify right side
   140,185.50x = 89,234,833,284
5. Step 5: Solve for x
   x = 89,234,833,284/140,185.50
6. Step 6: Final answer
   x = 636,548.24