Finding the Third Proportional to 498,546.50 and 773,427

Step by Step Solution

1. Step 1: Write the proportion equation
   498,546.50 : 773,427 = 773,427 : x
2. Step 2: Convert to fraction form
   498,546.50/773,427 = 773,427/x
3. Step 3: Cross multiply
   498,546.50x = 773,427 × 773,427
4. Step 4: Simplify right side
   498,546.50x = 598,189,324,329
5. Step 5: Solve for x
   x = 598,189,324,329/498,546.50
6. Step 6: Final answer
   x = 1,199,866.66