Finding the Third Proportional to 5,585,582 and 8,540,823

Step by Step Solution

1. Step 1: Write the proportion equation
   5,585,582 : 8,540,823 = 8,540,823 : x
2. Step 2: Convert to fraction form
   5,585,582/8,540,823 = 8,540,823/x
3. Step 3: Cross multiply
   5,585,582x = 8,540,823 × 8,540,823
4. Step 4: Simplify right side
   5,585,582x = 72,945,657,517,329
5. Step 5: Solve for x
   x = 72,945,657,517,329/5,585,582
6. Step 6: Final answer
   x = 13,059,634.16