Finding the Third Proportional to 498,501 and 752,321.25

Step by Step Solution

1. Step 1: Write the proportion equation
   498,501 : 752,321.25 = 752,321.25 : x
2. Step 2: Convert to fraction form
   498,501/752,321.25 = 752,321.25/x
3. Step 3: Cross multiply
   498,501x = 752,321.25 × 752,321.25
4. Step 4: Simplify right side
   498,501x = 565,987,263,201.56
5. Step 5: Solve for x
   x = 565,987,263,201.56/498,501
6. Step 6: Final answer
   x = 1,135,378.39