Finding the Third Proportional to 1,005,138 and 2,167,742

Step by Step Solution

1. Step 1: Write the proportion equation
   1,005,138 : 2,167,742 = 2,167,742 : x
2. Step 2: Convert to fraction form
   1,005,138/2,167,742 = 2,167,742/x
3. Step 3: Cross multiply
   1,005,138x = 2,167,742 × 2,167,742
4. Step 4: Simplify right side
   1,005,138x = 4,699,105,378,564
5. Step 5: Solve for x
   x = 4,699,105,378,564/1,005,138
6. Step 6: Final answer
   x = 4,675,084.79