Finding the Third Proportional to 1,800,669 and 3,900,282

Step by Step Solution

1. Step 1: Write the proportion equation
   1,800,669 : 3,900,282 = 3,900,282 : x
2. Step 2: Convert to fraction form
   1,800,669/3,900,282 = 3,900,282/x
3. Step 3: Cross multiply
   1,800,669x = 3,900,282 × 3,900,282
4. Step 4: Simplify right side
   1,800,669x = 15,212,199,679,524
5. Step 5: Solve for x
   x = 15,212,199,679,524/1,800,669
6. Step 6: Final answer
   x = 8,448,082.17