Finding the Third Proportional to 5,585,682 and 8,540,843

Step by Step Solution

1. Step 1: Write the proportion equation
   5,585,682 : 8,540,843 = 8,540,843 : x
2. Step 2: Convert to fraction form
   5,585,682/8,540,843 = 8,540,843/x
3. Step 3: Cross multiply
   5,585,682x = 8,540,843 × 8,540,843
4. Step 4: Simplify right side
   5,585,682x = 72,945,999,150,649
5. Step 5: Solve for x
   x = 72,945,999,150,649/5,585,682
6. Step 6: Final answer
   x = 13,059,461.52