Finding the Third Proportional to 1,350,736 and 2,138,856

Step by Step Solution

1. Step 1: Write the proportion equation
   1,350,736 : 2,138,856 = 2,138,856 : x
2. Step 2: Convert to fraction form
   1,350,736/2,138,856 = 2,138,856/x
3. Step 3: Cross multiply
   1,350,736x = 2,138,856 × 2,138,856
4. Step 4: Simplify right side
   1,350,736x = 4,574,704,988,736
5. Step 5: Solve for x
   x = 4,574,704,988,736/1,350,736
6. Step 6: Final answer
   x = 3,386,823.92