Finding the Third Proportional to 494,308 and 739,760

Step by Step Solution

1. Step 1: Write the proportion equation
   494,308 : 739,760 = 739,760 : x
2. Step 2: Convert to fraction form
   494,308/739,760 = 739,760/x
3. Step 3: Cross multiply
   494,308x = 739,760 × 739,760
4. Step 4: Simplify right side
   494,308x = 547,244,857,600
5. Step 5: Solve for x
   x = 547,244,857,600/494,308
6. Step 6: Final answer
   x = 1,107,092.86