Finding the Third Proportional to 1,500,309 and 2,143,906

Step by Step Solution

1. Step 1: Write the proportion equation
   1,500,309 : 2,143,906 = 2,143,906 : x
2. Step 2: Convert to fraction form
   1,500,309/2,143,906 = 2,143,906/x
3. Step 3: Cross multiply
   1,500,309x = 2,143,906 × 2,143,906
4. Step 4: Simplify right side
   1,500,309x = 4,596,332,936,836
5. Step 5: Solve for x
   x = 4,596,332,936,836/1,500,309
6. Step 6: Final answer
   x = 3,063,590.86