Finding the Third Proportional to 1,009,858 and 2,209,742

Step by Step Solution

1. Step 1: Write the proportion equation
   1,009,858 : 2,209,742 = 2,209,742 : x
2. Step 2: Convert to fraction form
   1,009,858/2,209,742 = 2,209,742/x
3. Step 3: Cross multiply
   1,009,858x = 2,209,742 × 2,209,742
4. Step 4: Simplify right side
   1,009,858x = 4,882,959,706,564
5. Step 5: Solve for x
   x = 4,882,959,706,564/1,009,858
6. Step 6: Final answer
   x = 4,835,293.38