Finding the Third Proportional to 2,115,298 and 3,222,515

Step by Step Solution

1. Step 1: Write the proportion equation
   2,115,298 : 3,222,515 = 3,222,515 : x
2. Step 2: Convert to fraction form
   2,115,298/3,222,515 = 3,222,515/x
3. Step 3: Cross multiply
   2,115,298x = 3,222,515 × 3,222,515
4. Step 4: Simplify right side
   2,115,298x = 10,384,602,925,225
5. Step 5: Solve for x
   x = 10,384,602,925,225/2,115,298
6. Step 6: Final answer
   x = 4,909,286.03