Finding the Third Proportional to 576,213.75 and 830,062.69

Step by Step Solution

1. Step 1: Write the proportion equation
   576,213.75 : 830,062.69 = 830,062.69 : x
2. Step 2: Convert to fraction form
   576,213.75/830,062.69 = 830,062.69/x
3. Step 3: Cross multiply
   576,213.75x = 830,062.69 × 830,062.69
4. Step 4: Simplify right side
   576,213.75x = 689,004,065,179.72
5. Step 5: Solve for x
   x = 689,004,065,179.72/576,213.75
6. Step 6: Final answer
   x = 1,195,743.88