Finding the Third Proportional to 5,175,859 and 10,887,155

Step by Step Solution

1. Step 1: Write the proportion equation
   5,175,859 : 10,887,155 = 10,887,155 : x
2. Step 2: Convert to fraction form
   5,175,859/10,887,155 = 10,887,155/x
3. Step 3: Cross multiply
   5,175,859x = 10,887,155 × 10,887,155
4. Step 4: Simplify right side
   5,175,859x = 118,530,143,994,025
5. Step 5: Solve for x
   x = 118,530,143,994,025/5,175,859
6. Step 6: Final answer
   x = 22,900,574.38