Finding the Third Proportional to 1,281,770 and 2,729,212

Step by Step Solution

1. Step 1: Write the proportion equation
   1,281,770 : 2,729,212 = 2,729,212 : x
2. Step 2: Convert to fraction form
   1,281,770/2,729,212 = 2,729,212/x
3. Step 3: Cross multiply
   1,281,770x = 2,729,212 × 2,729,212
4. Step 4: Simplify right side
   1,281,770x = 7,448,598,140,944
5. Step 5: Solve for x
   x = 7,448,598,140,944/1,281,770
6. Step 6: Final answer
   x = 5,811,181.52