Finding the Third Proportional to 1,771,309 and 2,819,868

Step by Step Solution

1. Step 1: Write the proportion equation
   1,771,309 : 2,819,868 = 2,819,868 : x
2. Step 2: Convert to fraction form
   1,771,309/2,819,868 = 2,819,868/x
3. Step 3: Cross multiply
   1,771,309x = 2,819,868 × 2,819,868
4. Step 4: Simplify right side
   1,771,309x = 7,951,655,537,424
5. Step 5: Solve for x
   x = 7,951,655,537,424/1,771,309
6. Step 6: Final answer
   x = 4,489,140.82