Finding the Third Proportional to 1,272,310 and 2,743,896

Step by Step Solution

1. Step 1: Write the proportion equation
   1,272,310 : 2,743,896 = 2,743,896 : x
2. Step 2: Convert to fraction form
   1,272,310/2,743,896 = 2,743,896/x
3. Step 3: Cross multiply
   1,272,310x = 2,743,896 × 2,743,896
4. Step 4: Simplify right side
   1,272,310x = 7,528,965,258,816
5. Step 5: Solve for x
   x = 7,528,965,258,816/1,272,310
6. Step 6: Final answer
   x = 5,917,555.67