Finding the Third Proportional to 8,397,666 and 12,594,308

Step by Step Solution

1. Step 1: Write the proportion equation
   8,397,666 : 12,594,308 = 12,594,308 : x
2. Step 2: Convert to fraction form
   8,397,666/12,594,308 = 12,594,308/x
3. Step 3: Cross multiply
   8,397,666x = 12,594,308 × 12,594,308
4. Step 4: Simplify right side
   8,397,666x = 158,616,593,998,864
5. Step 5: Solve for x
   x = 158,616,593,998,864/8,397,666
6. Step 6: Final answer
   x = 18,888,176.07