Finding the Third Proportional to 2,042,726 and 4,490,668

Step by Step Solution

1. Step 1: Write the proportion equation
   2,042,726 : 4,490,668 = 4,490,668 : x
2. Step 2: Convert to fraction form
   2,042,726/4,490,668 = 4,490,668/x
3. Step 3: Cross multiply
   2,042,726x = 4,490,668 × 4,490,668
4. Step 4: Simplify right side
   2,042,726x = 20,166,099,086,224
5. Step 5: Solve for x
   x = 20,166,099,086,224/2,042,726
6. Step 6: Final answer
   x = 9,872,150.79