Finding the Third Proportional to 4,921,614 and 7,704,990

Step by Step Solution

1. Step 1: Write the proportion equation
   4,921,614 : 7,704,990 = 7,704,990 : x
2. Step 2: Convert to fraction form
   4,921,614/7,704,990 = 7,704,990/x
3. Step 3: Cross multiply
   4,921,614x = 7,704,990 × 7,704,990
4. Step 4: Simplify right side
   4,921,614x = 59,366,870,900,100
5. Step 5: Solve for x
   x = 59,366,870,900,100/4,921,614
6. Step 6: Final answer
   x = 12,062,480.09