Finding the Third Proportional to 140,300 and 298,122

Step by Step Solution

1. Step 1: Write the proportion equation
   140,300 : 298,122 = 298,122 : x
2. Step 2: Convert to fraction form
   140,300/298,122 = 298,122/x
3. Step 3: Cross multiply
   140,300x = 298,122 × 298,122
4. Step 4: Simplify right side
   140,300x = 88,876,726,884
5. Step 5: Solve for x
   x = 88,876,726,884/140,300
6. Step 6: Final answer
   x = 633,476.31