Finding the Third Proportional to 4,074,039 and 8,482,780

Step by Step Solution

1. Step 1: Write the proportion equation
   4,074,039 : 8,482,780 = 8,482,780 : x
2. Step 2: Convert to fraction form
   4,074,039/8,482,780 = 8,482,780/x
3. Step 3: Cross multiply
   4,074,039x = 8,482,780 × 8,482,780
4. Step 4: Simplify right side
   4,074,039x = 71,957,556,528,400
5. Step 5: Solve for x
   x = 71,957,556,528,400/4,074,039
6. Step 6: Final answer
   x = 17,662,461.39