Finding the Third Proportional to 2,866,428 and 4,143,636

Step by Step Solution

1. Step 1: Write the proportion equation
   2,866,428 : 4,143,636 = 4,143,636 : x
2. Step 2: Convert to fraction form
   2,866,428/4,143,636 = 4,143,636/x
3. Step 3: Cross multiply
   2,866,428x = 4,143,636 × 4,143,636
4. Step 4: Simplify right side
   2,866,428x = 17,169,719,300,496
5. Step 5: Solve for x
   x = 17,169,719,300,496/2,866,428
6. Step 6: Final answer
   x = 5,989,935.66