Finding the Third Proportional to 1,018,138 and 2,106,738

Step by Step Solution

1. Step 1: Write the proportion equation
   1,018,138 : 2,106,738 = 2,106,738 : x
2. Step 2: Convert to fraction form
   1,018,138/2,106,738 = 2,106,738/x
3. Step 3: Cross multiply
   1,018,138x = 2,106,738 × 2,106,738
4. Step 4: Simplify right side
   1,018,138x = 4,438,345,000,644
5. Step 5: Solve for x
   x = 4,438,345,000,644/1,018,138
6. Step 6: Final answer
   x = 4,359,276.44