Finding the Third Proportional to 1,012,444 and 2,138,726

Step by Step Solution

1. Step 1: Write the proportion equation
   1,012,444 : 2,138,726 = 2,138,726 : x
2. Step 2: Convert to fraction form
   1,012,444/2,138,726 = 2,138,726/x
3. Step 3: Cross multiply
   1,012,444x = 2,138,726 × 2,138,726
4. Step 4: Simplify right side
   1,012,444x = 4,574,148,903,076
5. Step 5: Solve for x
   x = 4,574,148,903,076/1,012,444
6. Step 6: Final answer
   x = 4,517,927.81