Finding the Third Proportional to 5,111,909 and 10,942,045

Step by Step Solution

1. Step 1: Write the proportion equation
   5,111,909 : 10,942,045 = 10,942,045 : x
2. Step 2: Convert to fraction form
   5,111,909/10,942,045 = 10,942,045/x
3. Step 3: Cross multiply
   5,111,909x = 10,942,045 × 10,942,045
4. Step 4: Simplify right side
   5,111,909x = 119,728,348,782,025
5. Step 5: Solve for x
   x = 119,728,348,782,025/5,111,909
6. Step 6: Final answer
   x = 23,421,455.43