Finding the Third Proportional to 1,279,945 and 2,742,059

Step by Step Solution

1. Step 1: Write the proportion equation
   1,279,945 : 2,742,059 = 2,742,059 : x
2. Step 2: Convert to fraction form
   1,279,945/2,742,059 = 2,742,059/x
3. Step 3: Cross multiply
   1,279,945x = 2,742,059 × 2,742,059
4. Step 4: Simplify right side
   1,279,945x = 7,518,887,559,481
5. Step 5: Solve for x
   x = 7,518,887,559,481/1,279,945
6. Step 6: Final answer
   x = 5,874,383.32