Finding the Third Proportional to 498,869 and 760,760

Step by Step Solution

1. Step 1: Write the proportion equation
   498,869 : 760,760 = 760,760 : x
2. Step 2: Convert to fraction form
   498,869/760,760 = 760,760/x
3. Step 3: Cross multiply
   498,869x = 760,760 × 760,760
4. Step 4: Simplify right side
   498,869x = 578,755,777,600
5. Step 5: Solve for x
   x = 578,755,777,600/498,869
6. Step 6: Final answer
   x = 1,160,135.78