Finding the Third Proportional to 1,768,888 and 2,668,128

Step by Step Solution

1. Step 1: Write the proportion equation
   1,768,888 : 2,668,128 = 2,668,128 : x
2. Step 2: Convert to fraction form
   1,768,888/2,668,128 = 2,668,128/x
3. Step 3: Cross multiply
   1,768,888x = 2,668,128 × 2,668,128
4. Step 4: Simplify right side
   1,768,888x = 7,118,907,024,384
5. Step 5: Solve for x
   x = 7,118,907,024,384/1,768,888
6. Step 6: Final answer
   x = 4,024,509.76