Finding the Third Proportional to 4,818,212 and 9,514,568

Step by Step Solution

1. Step 1: Write the proportion equation
   4,818,212 : 9,514,568 = 9,514,568 : x
2. Step 2: Convert to fraction form
   4,818,212/9,514,568 = 9,514,568/x
3. Step 3: Cross multiply
   4,818,212x = 9,514,568 × 9,514,568
4. Step 4: Simplify right side
   4,818,212x = 90,527,004,226,624
5. Step 5: Solve for x
   x = 90,527,004,226,624/4,818,212
6. Step 6: Final answer
   x = 18,788,505.82