Finding the Third Proportional to 1,311,308 and 2,860,918

Step by Step Solution

1. Step 1: Write the proportion equation
   1,311,308 : 2,860,918 = 2,860,918 : x
2. Step 2: Convert to fraction form
   1,311,308/2,860,918 = 2,860,918/x
3. Step 3: Cross multiply
   1,311,308x = 2,860,918 × 2,860,918
4. Step 4: Simplify right side
   1,311,308x = 8,184,851,802,724
5. Step 5: Solve for x
   x = 8,184,851,802,724/1,311,308
6. Step 6: Final answer
   x = 6,241,746.26