Finding the Third Proportional to 4,945,131 and 10,269,099

Step by Step Solution

1. Step 1: Write the proportion equation
   4,945,131 : 10,269,099 = 10,269,099 : x
2. Step 2: Convert to fraction form
   4,945,131/10,269,099 = 10,269,099/x
3. Step 3: Cross multiply
   4,945,131x = 10,269,099 × 10,269,099
4. Step 4: Simplify right side
   4,945,131x = 105,454,394,271,801
5. Step 5: Solve for x
   x = 105,454,394,271,801/4,945,131
6. Step 6: Final answer
   x = 21,324,893.98