Finding the Third Proportional to 3,782,738 and 8,208,482

Step by Step Solution

1. Step 1: Write the proportion equation
   3,782,738 : 8,208,482 = 8,208,482 : x
2. Step 2: Convert to fraction form
   3,782,738/8,208,482 = 8,208,482/x
3. Step 3: Cross multiply
   3,782,738x = 8,208,482 × 8,208,482
4. Step 4: Simplify right side
   3,782,738x = 67,379,176,744,324
5. Step 5: Solve for x
   x = 67,379,176,744,324/3,782,738
6. Step 6: Final answer
   x = 17,812,276.91