Finding the Third Proportional to 498,870 and 760,760.25

Step by Step Solution

1. Step 1: Write the proportion equation
   498,870 : 760,760.25 = 760,760.25 : x
2. Step 2: Convert to fraction form
   498,870/760,760.25 = 760,760.25/x
3. Step 3: Cross multiply
   498,870x = 760,760.25 × 760,760.25
4. Step 4: Simplify right side
   498,870x = 578,756,157,980.06
5. Step 5: Solve for x
   x = 578,756,157,980.06/498,870
6. Step 6: Final answer
   x = 1,160,134.22