Finding the Third Proportional to 606,308 and 1,320,256

Step by Step Solution

1. Step 1: Write the proportion equation
   606,308 : 1,320,256 = 1,320,256 : x
2. Step 2: Convert to fraction form
   606,308/1,320,256 = 1,320,256/x
3. Step 3: Cross multiply
   606,308x = 1,320,256 × 1,320,256
4. Step 4: Simplify right side
   606,308x = 1,743,075,905,536
5. Step 5: Solve for x
   x = 1,743,075,905,536/606,308
6. Step 6: Final answer
   x = 2,874,901.71