Finding the Third Proportional to 1,350,742 and 2,138,865

Step by Step Solution

1. Step 1: Write the proportion equation
   1,350,742 : 2,138,865 = 2,138,865 : x
2. Step 2: Convert to fraction form
   1,350,742/2,138,865 = 2,138,865/x
3. Step 3: Cross multiply
   1,350,742x = 2,138,865 × 2,138,865
4. Step 4: Simplify right side
   1,350,742x = 4,574,743,488,225
5. Step 5: Solve for x
   x = 4,574,743,488,225/1,350,742
6. Step 6: Final answer
   x = 3,386,837.37