Finding the Third Proportional to 4,440,736 and 9,566,660

Step by Step Solution

1. Step 1: Write the proportion equation
   4,440,736 : 9,566,660 = 9,566,660 : x
2. Step 2: Convert to fraction form
   4,440,736/9,566,660 = 9,566,660/x
3. Step 3: Cross multiply
   4,440,736x = 9,566,660 × 9,566,660
4. Step 4: Simplify right side
   4,440,736x = 91,520,983,555,600
5. Step 5: Solve for x
   x = 91,520,983,555,600/4,440,736
6. Step 6: Final answer
   x = 20,609,417.80