Finding the Third Proportional to 1,326,806 and 1,988,122

Step by Step Solution

1. Step 1: Write the proportion equation
   1,326,806 : 1,988,122 = 1,988,122 : x
2. Step 2: Convert to fraction form
   1,326,806/1,988,122 = 1,988,122/x
3. Step 3: Cross multiply
   1,326,806x = 1,988,122 × 1,988,122
4. Step 4: Simplify right side
   1,326,806x = 3,952,629,086,884
5. Step 5: Solve for x
   x = 3,952,629,086,884/1,326,806
6. Step 6: Final answer
   x = 2,979,055.78