Finding the Third Proportional to 1,258,296 and 2,716,816

Step by Step Solution

1. Step 1: Write the proportion equation
   1,258,296 : 2,716,816 = 2,716,816 : x
2. Step 2: Convert to fraction form
   1,258,296/2,716,816 = 2,716,816/x
3. Step 3: Cross multiply
   1,258,296x = 2,716,816 × 2,716,816
4. Step 4: Simplify right side
   1,258,296x = 7,381,089,177,856
5. Step 5: Solve for x
   x = 7,381,089,177,856/1,258,296
6. Step 6: Final answer
   x = 5,865,940.27