Finding the Third Proportional to 522,568.50 and 763,686

Step by Step Solution

1. Step 1: Write the proportion equation
   522,568.50 : 763,686 = 763,686 : x
2. Step 2: Convert to fraction form
   522,568.50/763,686 = 763,686/x
3. Step 3: Cross multiply
   522,568.50x = 763,686 × 763,686
4. Step 4: Simplify right side
   522,568.50x = 583,216,306,596
5. Step 5: Solve for x
   x = 583,216,306,596/522,568.50
6. Step 6: Final answer
   x = 1,116,057.14