Finding the Third Proportional to 1,083,122 and 1,686,791

Step by Step Solution

1. Step 1: Write the proportion equation
   1,083,122 : 1,686,791 = 1,686,791 : x
2. Step 2: Convert to fraction form
   1,083,122/1,686,791 = 1,686,791/x
3. Step 3: Cross multiply
   1,083,122x = 1,686,791 × 1,686,791
4. Step 4: Simplify right side
   1,083,122x = 2,845,263,877,681
5. Step 5: Solve for x
   x = 2,845,263,877,681/1,083,122
6. Step 6: Final answer
   x = 2,626,909.88