Finding the Third Proportional to 2,861,128 and 4,010,457

Step by Step Solution

1. Step 1: Write the proportion equation
   2,861,128 : 4,010,457 = 4,010,457 : x
2. Step 2: Convert to fraction form
   2,861,128/4,010,457 = 4,010,457/x
3. Step 3: Cross multiply
   2,861,128x = 4,010,457 × 4,010,457
4. Step 4: Simplify right side
   2,861,128x = 16,083,765,348,849
5. Step 5: Solve for x
   x = 16,083,765,348,849/2,861,128
6. Step 6: Final answer
   x = 5,621,477.04