Finding the Third Proportional to 1,117,448 and 1,729,912

Step by Step Solution

1. Step 1: Write the proportion equation
   1,117,448 : 1,729,912 = 1,729,912 : x
2. Step 2: Convert to fraction form
   1,117,448/1,729,912 = 1,729,912/x
3. Step 3: Cross multiply
   1,117,448x = 1,729,912 × 1,729,912
4. Step 4: Simplify right side
   1,117,448x = 2,992,595,527,744
5. Step 5: Solve for x
   x = 2,992,595,527,744/1,117,448
6. Step 6: Final answer
   x = 2,678,062.45