Finding the Third Proportional to 4,342,587 and 5,789,457

Step by Step Solution

1. Step 1: Write the proportion equation
   4,342,587 : 5,789,457 = 5,789,457 : x
2. Step 2: Convert to fraction form
   4,342,587/5,789,457 = 5,789,457/x
3. Step 3: Cross multiply
   4,342,587x = 5,789,457 × 5,789,457
4. Step 4: Simplify right side
   4,342,587x = 33,517,812,354,849
5. Step 5: Solve for x
   x = 33,517,812,354,849/4,342,587
6. Step 6: Final answer
   x = 7,718,397.43