Finding the Third Proportional to 2,674,740 and 5,215,518

Step by Step Solution

1. Step 1: Write the proportion equation
   2,674,740 : 5,215,518 = 5,215,518 : x
2. Step 2: Convert to fraction form
   2,674,740/5,215,518 = 5,215,518/x
3. Step 3: Cross multiply
   2,674,740x = 5,215,518 × 5,215,518
4. Step 4: Simplify right side
   2,674,740x = 27,201,628,008,324
5. Step 5: Solve for x
   x = 27,201,628,008,324/2,674,740
6. Step 6: Final answer
   x = 10,169,821.37