Finding the Third Proportional to 787,213.69 and 1,189,021.78

Step by Step Solution

1. Step 1: Write the proportion equation
   787,213.69 : 1,189,021.78 = 1,189,021.78 : x
2. Step 2: Convert to fraction form
   787,213.69/1,189,021.78 = 1,189,021.78/x
3. Step 3: Cross multiply
   787,213.69x = 1,189,021.78 × 1,189,021.78
4. Step 4: Simplify right side
   787,213.69x = 1,413,772,796,286.92
5. Step 5: Solve for x
   x = 1,413,772,796,286.92/787,213.69
6. Step 6: Final answer
   x = 1,795,919.99