Finding the Third Proportional to 4,921,616 and 7,704,993

Step by Step Solution

1. Step 1: Write the proportion equation
   4,921,616 : 7,704,993 = 7,704,993 : x
2. Step 2: Convert to fraction form
   4,921,616/7,704,993 = 7,704,993/x
3. Step 3: Cross multiply
   4,921,616x = 7,704,993 × 7,704,993
4. Step 4: Simplify right side
   4,921,616x = 59,366,917,130,049
5. Step 5: Solve for x
   x = 59,366,917,130,049/4,921,616
6. Step 6: Final answer
   x = 12,062,484.58