Finding the Third Proportional to 2,486,736 and 5,423,040

Step by Step Solution

1. Step 1: Write the proportion equation
   2,486,736 : 5,423,040 = 5,423,040 : x
2. Step 2: Convert to fraction form
   2,486,736/5,423,040 = 5,423,040/x
3. Step 3: Cross multiply
   2,486,736x = 5,423,040 × 5,423,040
4. Step 4: Simplify right side
   2,486,736x = 29,409,362,841,600
5. Step 5: Solve for x
   x = 29,409,362,841,600/2,486,736
6. Step 6: Final answer
   x = 11,826,491.77