Finding the Third Proportional to 1,309,656 and 1,969,356

Step by Step Solution

1. Step 1: Write the proportion equation
   1,309,656 : 1,969,356 = 1,969,356 : x
2. Step 2: Convert to fraction form
   1,309,656/1,969,356 = 1,969,356/x
3. Step 3: Cross multiply
   1,309,656x = 1,969,356 × 1,969,356
4. Step 4: Simplify right side
   1,309,656x = 3,878,363,054,736
5. Step 5: Solve for x
   x = 3,878,363,054,736/1,309,656
6. Step 6: Final answer
   x = 2,961,360.12