Finding the Third Proportional to 5,119,687 and 10,999,150

Step by Step Solution

1. Step 1: Write the proportion equation
   5,119,687 : 10,999,150 = 10,999,150 : x
2. Step 2: Convert to fraction form
   5,119,687/10,999,150 = 10,999,150/x
3. Step 3: Cross multiply
   5,119,687x = 10,999,150 × 10,999,150
4. Step 4: Simplify right side
   5,119,687x = 120,981,300,722,500
5. Step 5: Solve for x
   x = 120,981,300,722,500/5,119,687
6. Step 6: Final answer
   x = 23,630,604.90