Finding the Third Proportional to 1,312,354 and 2,729,463

Step by Step Solution

1. Step 1: Write the proportion equation
   1,312,354 : 2,729,463 = 2,729,463 : x
2. Step 2: Convert to fraction form
   1,312,354/2,729,463 = 2,729,463/x
3. Step 3: Cross multiply
   1,312,354x = 2,729,463 × 2,729,463
4. Step 4: Simplify right side
   1,312,354x = 7,449,968,268,369
5. Step 5: Solve for x
   x = 7,449,968,268,369/1,312,354
6. Step 6: Final answer
   x = 5,676,797.78