Finding the Third Proportional to 866,183 and 1,787,287

Step by Step Solution

1. Step 1: Write the proportion equation
   866,183 : 1,787,287 = 1,787,287 : x
2. Step 2: Convert to fraction form
   866,183/1,787,287 = 1,787,287/x
3. Step 3: Cross multiply
   866,183x = 1,787,287 × 1,787,287
4. Step 4: Simplify right side
   866,183x = 3,194,394,820,369
5. Step 5: Solve for x
   x = 3,194,394,820,369/866,183
6. Step 6: Final answer
   x = 3,687,898.31