Finding the Third Proportional to 999,245 and 2,141,266

Step by Step Solution

1. Step 1: Write the proportion equation
   999,245 : 2,141,266 = 2,141,266 : x
2. Step 2: Convert to fraction form
   999,245/2,141,266 = 2,141,266/x
3. Step 3: Cross multiply
   999,245x = 2,141,266 × 2,141,266
4. Step 4: Simplify right side
   999,245x = 4,585,020,082,756
5. Step 5: Solve for x
   x = 4,585,020,082,756/999,245
6. Step 6: Final answer
   x = 4,588,484.39