Finding the Third Proportional to 498,867 and 760,756.50

Step by Step Solution

1. Step 1: Write the proportion equation
   498,867 : 760,756.50 = 760,756.50 : x
2. Step 2: Convert to fraction form
   498,867/760,756.50 = 760,756.50/x
3. Step 3: Cross multiply
   498,867x = 760,756.50 × 760,756.50
4. Step 4: Simplify right side
   498,867x = 578,750,452,292.25
5. Step 5: Solve for x
   x = 578,750,452,292.25/498,867
6. Step 6: Final answer
   x = 1,160,129.76