Finding the Third Proportional to 2,146,299 and 4,548,477

Step by Step Solution

1. Step 1: Write the proportion equation
   2,146,299 : 4,548,477 = 4,548,477 : x
2. Step 2: Convert to fraction form
   2,146,299/4,548,477 = 4,548,477/x
3. Step 3: Cross multiply
   2,146,299x = 4,548,477 × 4,548,477
4. Step 4: Simplify right side
   2,146,299x = 20,688,643,019,529
5. Step 5: Solve for x
   x = 20,688,643,019,529/2,146,299
6. Step 6: Final answer
   x = 9,639,217.56