Finding the Third Proportional to 5,421,364 and 7,950,960

Step by Step Solution

1. Step 1: Write the proportion equation
   5,421,364 : 7,950,960 = 7,950,960 : x
2. Step 2: Convert to fraction form
   5,421,364/7,950,960 = 7,950,960/x
3. Step 3: Cross multiply
   5,421,364x = 7,950,960 × 7,950,960
4. Step 4: Simplify right side
   5,421,364x = 63,217,764,921,600
5. Step 5: Solve for x
   x = 63,217,764,921,600/5,421,364
6. Step 6: Final answer
   x = 11,660,859.69