Finding the Third Proportional to 787,561 and 1,717,665

Step by Step Solution

1. Step 1: Write the proportion equation
   787,561 : 1,717,665 = 1,717,665 : x
2. Step 2: Convert to fraction form
   787,561/1,717,665 = 1,717,665/x
3. Step 3: Cross multiply
   787,561x = 1,717,665 × 1,717,665
4. Step 4: Simplify right side
   787,561x = 2,950,373,052,225
5. Step 5: Solve for x
   x = 2,950,373,052,225/787,561
6. Step 6: Final answer
   x = 3,746,215.28