Finding the Third Proportional to 1,012,450 and 2,138,738

Step by Step Solution

1. Step 1: Write the proportion equation
   1,012,450 : 2,138,738 = 2,138,738 : x
2. Step 2: Convert to fraction form
   1,012,450/2,138,738 = 2,138,738/x
3. Step 3: Cross multiply
   1,012,450x = 2,138,738 × 2,138,738
4. Step 4: Simplify right side
   1,012,450x = 4,574,200,232,644
5. Step 5: Solve for x
   x = 4,574,200,232,644/1,012,450
6. Step 6: Final answer
   x = 4,517,951.73