Finding the Third Proportional to 3,772,069 and 7,718,449

Step by Step Solution

1. Step 1: Write the proportion equation
   3,772,069 : 7,718,449 = 7,718,449 : x
2. Step 2: Convert to fraction form
   3,772,069/7,718,449 = 7,718,449/x
3. Step 3: Cross multiply
   3,772,069x = 7,718,449 × 7,718,449
4. Step 4: Simplify right side
   3,772,069x = 59,574,454,965,601
5. Step 5: Solve for x
   x = 59,574,454,965,601/3,772,069
6. Step 6: Final answer
   x = 15,793,575.08