Finding the Third Proportional to 2,864,621 and 4,142,748

Step by Step Solution

1. Step 1: Write the proportion equation
   2,864,621 : 4,142,748 = 4,142,748 : x
2. Step 2: Convert to fraction form
   2,864,621/4,142,748 = 4,142,748/x
3. Step 3: Cross multiply
   2,864,621x = 4,142,748 × 4,142,748
4. Step 4: Simplify right side
   2,864,621x = 17,162,360,991,504
5. Step 5: Solve for x
   x = 17,162,360,991,504/2,864,621
6. Step 6: Final answer
   x = 5,991,145.42