Finding the Third Proportional to 3,877,322 and 8,524,684

Step by Step Solution

1. Step 1: Write the proportion equation
   3,877,322 : 8,524,684 = 8,524,684 : x
2. Step 2: Convert to fraction form
   3,877,322/8,524,684 = 8,524,684/x
3. Step 3: Cross multiply
   3,877,322x = 8,524,684 × 8,524,684
4. Step 4: Simplify right side
   3,877,322x = 72,670,237,299,856
5. Step 5: Solve for x
   x = 72,670,237,299,856/3,877,322
6. Step 6: Final answer
   x = 18,742,378.71