Finding the Third Proportional to 5,180,328 and 7,842,744

Step by Step Solution

1. Step 1: Write the proportion equation
   5,180,328 : 7,842,744 = 7,842,744 : x
2. Step 2: Convert to fraction form
   5,180,328/7,842,744 = 7,842,744/x
3. Step 3: Cross multiply
   5,180,328x = 7,842,744 × 7,842,744
4. Step 4: Simplify right side
   5,180,328x = 61,508,633,449,536
5. Step 5: Solve for x
   x = 61,508,633,449,536/5,180,328
6. Step 6: Final answer
   x = 11,873,501.73