Finding the Third Proportional to 2,159,298 and 4,617,486

Step by Step Solution

1. Step 1: Write the proportion equation
   2,159,298 : 4,617,486 = 4,617,486 : x
2. Step 2: Convert to fraction form
   2,159,298/4,617,486 = 4,617,486/x
3. Step 3: Cross multiply
   2,159,298x = 4,617,486 × 4,617,486
4. Step 4: Simplify right side
   2,159,298x = 21,321,176,960,196
5. Step 5: Solve for x
   x = 21,321,176,960,196/2,159,298
6. Step 6: Final answer
   x = 9,874,124.35