Finding the Third Proportional to 1,443,845 and 2,116,519

Step by Step Solution

1. Step 1: Write the proportion equation
   1,443,845 : 2,116,519 = 2,116,519 : x
2. Step 2: Convert to fraction form
   1,443,845/2,116,519 = 2,116,519/x
3. Step 3: Cross multiply
   1,443,845x = 2,116,519 × 2,116,519
4. Step 4: Simplify right side
   1,443,845x = 4,479,652,677,361
5. Step 5: Solve for x
   x = 4,479,652,677,361/1,443,845
6. Step 6: Final answer
   x = 3,102,585.58