Finding the Third Proportional to 8,162,568 and 12,201,216

Step by Step Solution

1. Step 1: Write the proportion equation
   8,162,568 : 12,201,216 = 12,201,216 : x
2. Step 2: Convert to fraction form
   8,162,568/12,201,216 = 12,201,216/x
3. Step 3: Cross multiply
   8,162,568x = 12,201,216 × 12,201,216
4. Step 4: Simplify right side
   8,162,568x = 148,869,671,878,656
5. Step 5: Solve for x
   x = 148,869,671,878,656/8,162,568
6. Step 6: Final answer
   x = 18,238,092.70