Finding the Third Proportional to 498,859.50 and 760,743

Step by Step Solution

1. Step 1: Write the proportion equation
   498,859.50 : 760,743 = 760,743 : x
2. Step 2: Convert to fraction form
   498,859.50/760,743 = 760,743/x
3. Step 3: Cross multiply
   498,859.50x = 760,743 × 760,743
4. Step 4: Simplify right side
   498,859.50x = 578,729,912,049
5. Step 5: Solve for x
   x = 578,729,912,049/498,859.50
6. Step 6: Final answer
   x = 1,160,106.03