Finding the Third Proportional to 8,397,660 and 12,594,300

Step by Step Solution

1. Step 1: Write the proportion equation
   8,397,660 : 12,594,300 = 12,594,300 : x
2. Step 2: Convert to fraction form
   8,397,660/12,594,300 = 12,594,300/x
3. Step 3: Cross multiply
   8,397,660x = 12,594,300 × 12,594,300
4. Step 4: Simplify right side
   8,397,660x = 158,616,392,490,000
5. Step 5: Solve for x
   x = 158,616,392,490,000/8,397,660
6. Step 6: Final answer
   x = 18,888,165.57