Finding the Third Proportional to 1,309,414 and 1,968,990

Step by Step Solution

1. Step 1: Write the proportion equation
   1,309,414 : 1,968,990 = 1,968,990 : x
2. Step 2: Convert to fraction form
   1,309,414/1,968,990 = 1,968,990/x
3. Step 3: Cross multiply
   1,309,414x = 1,968,990 × 1,968,990
4. Step 4: Simplify right side
   1,309,414x = 3,876,921,620,100
5. Step 5: Solve for x
   x = 3,876,921,620,100/1,309,414
6. Step 6: Final answer
   x = 2,960,806.61