Finding the Third Proportional to 486,773 and 726,108.75

Step by Step Solution

1. Step 1: Write the proportion equation
   486,773 : 726,108.75 = 726,108.75 : x
2. Step 2: Convert to fraction form
   486,773/726,108.75 = 726,108.75/x
3. Step 3: Cross multiply
   486,773x = 726,108.75 × 726,108.75
4. Step 4: Simplify right side
   486,773x = 527,233,916,826.56
5. Step 5: Solve for x
   x = 527,233,916,826.56/486,773
6. Step 6: Final answer
   x = 1,083,120.71