Finding the Third Proportional to 1,306,048 and 1,978,788

Step by Step Solution

1. Step 1: Write the proportion equation
   1,306,048 : 1,978,788 = 1,978,788 : x
2. Step 2: Convert to fraction form
   1,306,048/1,978,788 = 1,978,788/x
3. Step 3: Cross multiply
   1,306,048x = 1,978,788 × 1,978,788
4. Step 4: Simplify right side
   1,306,048x = 3,915,601,948,944
5. Step 5: Solve for x
   x = 3,915,601,948,944/1,306,048
6. Step 6: Final answer
   x = 2,998,053.63