Finding the Third Proportional to 3,887,684 and 8,453,896

Step by Step Solution

1. Step 1: Write the proportion equation
   3,887,684 : 8,453,896 = 8,453,896 : x
2. Step 2: Convert to fraction form
   3,887,684/8,453,896 = 8,453,896/x
3. Step 3: Cross multiply
   3,887,684x = 8,453,896 × 8,453,896
4. Step 4: Simplify right side
   3,887,684x = 71,468,357,578,816
5. Step 5: Solve for x
   x = 71,468,357,578,816/3,887,684
6. Step 6: Final answer
   x = 18,383,273.33