Finding the Third Proportional to 1,350,740 and 2,138,862

Step by Step Solution

1. Step 1: Write the proportion equation
   1,350,740 : 2,138,862 = 2,138,862 : x
2. Step 2: Convert to fraction form
   1,350,740/2,138,862 = 2,138,862/x
3. Step 3: Cross multiply
   1,350,740x = 2,138,862 × 2,138,862
4. Step 4: Simplify right side
   1,350,740x = 4,574,730,655,044
5. Step 5: Solve for x
   x = 4,574,730,655,044/1,350,740
6. Step 6: Final answer
   x = 3,386,832.89