Finding the Third Proportional to 1,279,440 and 2,716,326

Step by Step Solution

1. Step 1: Write the proportion equation
   1,279,440 : 2,716,326 = 2,716,326 : x
2. Step 2: Convert to fraction form
   1,279,440/2,716,326 = 2,716,326/x
3. Step 3: Cross multiply
   1,279,440x = 2,716,326 × 2,716,326
4. Step 4: Simplify right side
   1,279,440x = 7,378,426,938,276
5. Step 5: Solve for x
   x = 7,378,426,938,276/1,279,440
6. Step 6: Final answer
   x = 5,766,919.07