Finding the Third Proportional to 5,119,684 and 10,999,142

Step by Step Solution

1. Step 1: Write the proportion equation
   5,119,684 : 10,999,142 = 10,999,142 : x
2. Step 2: Convert to fraction form
   5,119,684/10,999,142 = 10,999,142/x
3. Step 3: Cross multiply
   5,119,684x = 10,999,142 × 10,999,142
4. Step 4: Simplify right side
   5,119,684x = 120,981,124,736,164
5. Step 5: Solve for x
   x = 120,981,124,736,164/5,119,684
6. Step 6: Final answer
   x = 23,630,584.38