Finding the Third Proportional to 2,128,315.50 and 3,214,566

Step by Step Solution

1. Step 1: Write the proportion equation
   2,128,315.50 : 3,214,566 = 3,214,566 : x
2. Step 2: Convert to fraction form
   2,128,315.50/3,214,566 = 3,214,566/x
3. Step 3: Cross multiply
   2,128,315.50x = 3,214,566 × 3,214,566
4. Step 4: Simplify right side
   2,128,315.50x = 10,333,434,568,356
5. Step 5: Solve for x
   x = 10,333,434,568,356/2,128,315.50
6. Step 6: Final answer
   x = 4,855,217.46