Finding the Third Proportional to 1,295,640 and 2,674,272

Step by Step Solution

1. Step 1: Write the proportion equation
   1,295,640 : 2,674,272 = 2,674,272 : x
2. Step 2: Convert to fraction form
   1,295,640/2,674,272 = 2,674,272/x
3. Step 3: Cross multiply
   1,295,640x = 2,674,272 × 2,674,272
4. Step 4: Simplify right side
   1,295,640x = 7,151,730,729,984
5. Step 5: Solve for x
   x = 7,151,730,729,984/1,295,640
6. Step 6: Final answer
   x = 5,519,844.04