Finding the Third Proportional to 3,810,442 and 8,219,168

Step by Step Solution

1. Step 1: Write the proportion equation
   3,810,442 : 8,219,168 = 8,219,168 : x
2. Step 2: Convert to fraction form
   3,810,442/8,219,168 = 8,219,168/x
3. Step 3: Cross multiply
   3,810,442x = 8,219,168 × 8,219,168
4. Step 4: Simplify right side
   3,810,442x = 67,554,722,612,224
5. Step 5: Solve for x
   x = 67,554,722,612,224/3,810,442
6. Step 6: Final answer
   x = 17,728,841.59