Finding the Third Proportional to 4,411,976 and 7,078,668

Step by Step Solution

1. Step 1: Write the proportion equation
   4,411,976 : 7,078,668 = 7,078,668 : x
2. Step 2: Convert to fraction form
   4,411,976/7,078,668 = 7,078,668/x
3. Step 3: Cross multiply
   4,411,976x = 7,078,668 × 7,078,668
4. Step 4: Simplify right side
   4,411,976x = 50,107,540,654,224
5. Step 5: Solve for x
   x = 50,107,540,654,224/4,411,976
6. Step 6: Final answer
   x = 11,357,165.28