Finding the Third Proportional to 140,328 and 298,179

Step by Step Solution

1. Step 1: Write the proportion equation
   140,328 : 298,179 = 298,179 : x
2. Step 2: Convert to fraction form
   140,328/298,179 = 298,179/x
3. Step 3: Cross multiply
   140,328x = 298,179 × 298,179
4. Step 4: Simplify right side
   140,328x = 88,910,716,041
5. Step 5: Solve for x
   x = 88,910,716,041/140,328
6. Step 6: Final answer
   x = 633,592.13