Finding the Third Proportional to 2,789,148 and 4,309,866

Step by Step Solution

1. Step 1: Write the proportion equation
   2,789,148 : 4,309,866 = 4,309,866 : x
2. Step 2: Convert to fraction form
   2,789,148/4,309,866 = 4,309,866/x
3. Step 3: Cross multiply
   2,789,148x = 4,309,866 × 4,309,866
4. Step 4: Simplify right side
   2,789,148x = 18,574,944,937,956
5. Step 5: Solve for x
   x = 18,574,944,937,956/2,789,148
6. Step 6: Final answer
   x = 6,659,720.08