Finding the Third Proportional to 1,309,642 and 1,969,336

Step by Step Solution

1. Step 1: Write the proportion equation
   1,309,642 : 1,969,336 = 1,969,336 : x
2. Step 2: Convert to fraction form
   1,309,642/1,969,336 = 1,969,336/x
3. Step 3: Cross multiply
   1,309,642x = 1,969,336 × 1,969,336
4. Step 4: Simplify right side
   1,309,642x = 3,878,284,280,896
5. Step 5: Solve for x
   x = 3,878,284,280,896/1,309,642
6. Step 6: Final answer
   x = 2,961,331.63