Finding the Third Proportional to 1,612,212 and 3,519,144

Step by Step Solution

1. Step 1: Write the proportion equation
   1,612,212 : 3,519,144 = 3,519,144 : x
2. Step 2: Convert to fraction form
   1,612,212/3,519,144 = 3,519,144/x
3. Step 3: Cross multiply
   1,612,212x = 3,519,144 × 3,519,144
4. Step 4: Simplify right side
   1,612,212x = 12,384,374,492,736
5. Step 5: Solve for x
   x = 12,384,374,492,736/1,612,212
6. Step 6: Final answer
   x = 7,681,604.21