Finding the Third Proportional to 2,140,231 and 4,457,609

Step by Step Solution

1. Step 1: Write the proportion equation
   2,140,231 : 4,457,609 = 4,457,609 : x
2. Step 2: Convert to fraction form
   2,140,231/4,457,609 = 4,457,609/x
3. Step 3: Cross multiply
   2,140,231x = 4,457,609 × 4,457,609
4. Step 4: Simplify right side
   2,140,231x = 19,870,277,996,881
5. Step 5: Solve for x
   x = 19,870,277,996,881/2,140,231
6. Step 6: Final answer
   x = 9,284,174.46