Finding the Third Proportional to 3,930,540 and 8,333,460

Step by Step Solution

1. Step 1: Write the proportion equation
   3,930,540 : 8,333,460 = 8,333,460 : x
2. Step 2: Convert to fraction form
   3,930,540/8,333,460 = 8,333,460/x
3. Step 3: Cross multiply
   3,930,540x = 8,333,460 × 8,333,460
4. Step 4: Simplify right side
   3,930,540x = 69,446,555,571,600
5. Step 5: Solve for x
   x = 69,446,555,571,600/3,930,540
6. Step 6: Final answer
   x = 17,668,451.55