Finding the Third Proportional to 2,112,814 and 4,554,146

Step by Step Solution

1. Step 1: Write the proportion equation
   2,112,814 : 4,554,146 = 4,554,146 : x
2. Step 2: Convert to fraction form
   2,112,814/4,554,146 = 4,554,146/x
3. Step 3: Cross multiply
   2,112,814x = 4,554,146 × 4,554,146
4. Step 4: Simplify right side
   2,112,814x = 20,740,245,789,316
5. Step 5: Solve for x
   x = 20,740,245,789,316/2,112,814
6. Step 6: Final answer
   x = 9,816,408.73