Finding the Third Proportional to 1,784,676 and 3,894,288

Step by Step Solution

1. Step 1: Write the proportion equation
   1,784,676 : 3,894,288 = 3,894,288 : x
2. Step 2: Convert to fraction form
   1,784,676/3,894,288 = 3,894,288/x
3. Step 3: Cross multiply
   1,784,676x = 3,894,288 × 3,894,288
4. Step 4: Simplify right side
   1,784,676x = 15,165,479,026,944
5. Step 5: Solve for x
   x = 15,165,479,026,944/1,784,676
6. Step 6: Final answer
   x = 8,497,609.10