Finding the Third Proportional to 1,005,782 and 2,169,028

Step by Step Solution

1. Step 1: Write the proportion equation
   1,005,782 : 2,169,028 = 2,169,028 : x
2. Step 2: Convert to fraction form
   1,005,782/2,169,028 = 2,169,028/x
3. Step 3: Cross multiply
   1,005,782x = 2,169,028 × 2,169,028
4. Step 4: Simplify right side
   1,005,782x = 4,704,682,464,784
5. Step 5: Solve for x
   x = 4,704,682,464,784/1,005,782
6. Step 6: Final answer
   x = 4,677,636.37