Finding the Third Proportional to 1,309,668 and 1,969,374

Step by Step Solution

1. Step 1: Write the proportion equation
   1,309,668 : 1,969,374 = 1,969,374 : x
2. Step 2: Convert to fraction form
   1,309,668/1,969,374 = 1,969,374/x
3. Step 3: Cross multiply
   1,309,668x = 1,969,374 × 1,969,374
4. Step 4: Simplify right side
   1,309,668x = 3,878,433,951,876
5. Step 5: Solve for x
   x = 3,878,433,951,876/1,309,668
6. Step 6: Final answer
   x = 2,961,387.12