Finding the Third Proportional to 3,846,822 and 8,208,520

Step by Step Solution

1. Step 1: Write the proportion equation
   3,846,822 : 8,208,520 = 8,208,520 : x
2. Step 2: Convert to fraction form
   3,846,822/8,208,520 = 8,208,520/x
3. Step 3: Cross multiply
   3,846,822x = 8,208,520 × 8,208,520
4. Step 4: Simplify right side
   3,846,822x = 67,379,800,590,400
5. Step 5: Solve for x
   x = 67,379,800,590,400/3,846,822
6. Step 6: Final answer
   x = 17,515,705.33