Finding the Third Proportional to 1,315,846 and 1,983,489

Step by Step Solution

1. Step 1: Write the proportion equation
   1,315,846 : 1,983,489 = 1,983,489 : x
2. Step 2: Convert to fraction form
   1,315,846/1,983,489 = 1,983,489/x
3. Step 3: Cross multiply
   1,315,846x = 1,983,489 × 1,983,489
4. Step 4: Simplify right side
   1,315,846x = 3,934,228,613,121
5. Step 5: Solve for x
   x = 3,934,228,613,121/1,315,846
6. Step 6: Final answer
   x = 2,989,885.30