Finding the Third Proportional to 787,578 and 1,717,704

Step by Step Solution

1. Step 1: Write the proportion equation
   787,578 : 1,717,704 = 1,717,704 : x
2. Step 2: Convert to fraction form
   787,578/1,717,704 = 1,717,704/x
3. Step 3: Cross multiply
   787,578x = 1,717,704 × 1,717,704
4. Step 4: Simplify right side
   787,578x = 2,950,507,031,616
5. Step 5: Solve for x
   x = 2,950,507,031,616/787,578
6. Step 6: Final answer
   x = 3,746,304.53