Finding the Third Proportional to 140,277 and 298,877

Step by Step Solution

1. Step 1: Write the proportion equation
   140,277 : 298,877 = 298,877 : x
2. Step 2: Convert to fraction form
   140,277/298,877 = 298,877/x
3. Step 3: Cross multiply
   140,277x = 298,877 × 298,877
4. Step 4: Simplify right side
   140,277x = 89,327,461,129
5. Step 5: Solve for x
   x = 89,327,461,129/140,277
6. Step 6: Final answer
   x = 636,793.35