Finding the Third Proportional to 1,286,388 and 1,891,044

Step by Step Solution

1. Step 1: Write the proportion equation
   1,286,388 : 1,891,044 = 1,891,044 : x
2. Step 2: Convert to fraction form
   1,286,388/1,891,044 = 1,891,044/x
3. Step 3: Cross multiply
   1,286,388x = 1,891,044 × 1,891,044
4. Step 4: Simplify right side
   1,286,388x = 3,576,047,409,936
5. Step 5: Solve for x
   x = 3,576,047,409,936/1,286,388
6. Step 6: Final answer
   x = 2,779,913.53