Finding the Third Proportional to 2,789,656 and 4,310,664

Step by Step Solution

1. Step 1: Write the proportion equation
   2,789,656 : 4,310,664 = 4,310,664 : x
2. Step 2: Convert to fraction form
   2,789,656/4,310,664 = 4,310,664/x
3. Step 3: Cross multiply
   2,789,656x = 4,310,664 × 4,310,664
4. Step 4: Simplify right side
   2,789,656x = 18,581,824,120,896
5. Step 5: Solve for x
   x = 18,581,824,120,896/2,789,656
6. Step 6: Final answer
   x = 6,660,973.30