Finding the Third Proportional to 1,306,396 and 1,979,277

Step by Step Solution

1. Step 1: Write the proportion equation
   1,306,396 : 1,979,277 = 1,979,277 : x
2. Step 2: Convert to fraction form
   1,306,396/1,979,277 = 1,979,277/x
3. Step 3: Cross multiply
   1,306,396x = 1,979,277 × 1,979,277
4. Step 4: Simplify right side
   1,306,396x = 3,917,537,442,729
5. Step 5: Solve for x
   x = 3,917,537,442,729/1,306,396
6. Step 6: Final answer
   x = 2,998,736.56