Finding the Third Proportional to 1,309,674 and 1,969,383

Step by Step Solution

1. Step 1: Write the proportion equation
   1,309,674 : 1,969,383 = 1,969,383 : x
2. Step 2: Convert to fraction form
   1,309,674/1,969,383 = 1,969,383/x
3. Step 3: Cross multiply
   1,309,674x = 1,969,383 × 1,969,383
4. Step 4: Simplify right side
   1,309,674x = 3,878,469,400,689
5. Step 5: Solve for x
   x = 3,878,469,400,689/1,309,674
6. Step 6: Final answer
   x = 2,961,400.62