Finding the Third Proportional to 4,395,135 and 9,127,122

Step by Step Solution

1. Step 1: Write the proportion equation
   4,395,135 : 9,127,122 = 9,127,122 : x
2. Step 2: Convert to fraction form
   4,395,135/9,127,122 = 9,127,122/x
3. Step 3: Cross multiply
   4,395,135x = 9,127,122 × 9,127,122
4. Step 4: Simplify right side
   4,395,135x = 83,304,356,002,884
5. Step 5: Solve for x
   x = 83,304,356,002,884/4,395,135
6. Step 6: Final answer
   x = 18,953,765.02