Finding the Third Proportional to 5,585,598 and 8,540,856

Step by Step Solution

1. Step 1: Write the proportion equation
   5,585,598 : 8,540,856 = 8,540,856 : x
2. Step 2: Convert to fraction form
   5,585,598/8,540,856 = 8,540,856/x
3. Step 3: Cross multiply
   5,585,598x = 8,540,856 × 8,540,856
4. Step 4: Simplify right side
   5,585,598x = 72,946,221,212,736
5. Step 5: Solve for x
   x = 72,946,221,212,736/5,585,598
6. Step 6: Final answer
   x = 13,059,697.67