Finding the Third Proportional to 2,789,147.25 and 4,309,864.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,789,147.25 : 4,309,864.88 = 4,309,864.88 : x
2. Step 2: Convert to fraction form
   2,789,147.25/4,309,864.88 = 4,309,864.88/x
3. Step 3: Cross multiply
   2,789,147.25x = 4,309,864.88 × 4,309,864.88
4. Step 4: Simplify right side
   2,789,147.25x = 18,574,935,240,758.77
5. Step 5: Solve for x
   x = 18,574,935,240,758.77/2,789,147.25
6. Step 6: Final answer
   x = 6,659,718.39