Finding the Third Proportional to 2,159,100 and 4,617,170

Step by Step Solution

1. Step 1: Write the proportion equation
   2,159,100 : 4,617,170 = 4,617,170 : x
2. Step 2: Convert to fraction form
   2,159,100/4,617,170 = 4,617,170/x
3. Step 3: Cross multiply
   2,159,100x = 4,617,170 × 4,617,170
4. Step 4: Simplify right side
   2,159,100x = 21,318,258,808,900
5. Step 5: Solve for x
   x = 21,318,258,808,900/2,159,100
6. Step 6: Final answer
   x = 9,873,678.30