Finding the Third Proportional to 1,011,303 and 2,172,687

Step by Step Solution

1. Step 1: Write the proportion equation
   1,011,303 : 2,172,687 = 2,172,687 : x
2. Step 2: Convert to fraction form
   1,011,303/2,172,687 = 2,172,687/x
3. Step 3: Cross multiply
   1,011,303x = 2,172,687 × 2,172,687
4. Step 4: Simplify right side
   1,011,303x = 4,720,568,799,969
5. Step 5: Solve for x
   x = 4,720,568,799,969/1,011,303
6. Step 6: Final answer
   x = 4,667,808.56