Finding the Third Proportional to 2,257,801 and 3,218,536

Step by Step Solution

1. Step 1: Write the proportion equation
   2,257,801 : 3,218,536 = 3,218,536 : x
2. Step 2: Convert to fraction form
   2,257,801/3,218,536 = 3,218,536/x
3. Step 3: Cross multiply
   2,257,801x = 3,218,536 × 3,218,536
4. Step 4: Simplify right side
   2,257,801x = 10,358,973,983,296
5. Step 5: Solve for x
   x = 10,358,973,983,296/2,257,801
6. Step 6: Final answer
   x = 4,588,081.05