Finding the Third Proportional to 3,553,338 and 7,815,048

Step by Step Solution

1. Step 1: Write the proportion equation
   3,553,338 : 7,815,048 = 7,815,048 : x
2. Step 2: Convert to fraction form
   3,553,338/7,815,048 = 7,815,048/x
3. Step 3: Cross multiply
   3,553,338x = 7,815,048 × 7,815,048
4. Step 4: Simplify right side
   3,553,338x = 61,074,975,242,304
5. Step 5: Solve for x
   x = 61,074,975,242,304/3,553,338
6. Step 6: Final answer
   x = 17,188,056.76