Finding the Third Proportional to 866,184 and 1,787,289

Step by Step Solution

1. Step 1: Write the proportion equation
   866,184 : 1,787,289 = 1,787,289 : x
2. Step 2: Convert to fraction form
   866,184/1,787,289 = 1,787,289/x
3. Step 3: Cross multiply
   866,184x = 1,787,289 × 1,787,289
4. Step 4: Simplify right side
   866,184x = 3,194,401,969,521
5. Step 5: Solve for x
   x = 3,194,401,969,521/866,184
6. Step 6: Final answer
   x = 3,687,902.30