Finding the Third Proportional to 5,721,984 and 12,428,116

Step by Step Solution

1. Step 1: Write the proportion equation
   5,721,984 : 12,428,116 = 12,428,116 : x
2. Step 2: Convert to fraction form
   5,721,984/12,428,116 = 12,428,116/x
3. Step 3: Cross multiply
   5,721,984x = 12,428,116 × 12,428,116
4. Step 4: Simplify right side
   5,721,984x = 154,458,067,309,456
5. Step 5: Solve for x
   x = 154,458,067,309,456/5,721,984
6. Step 6: Final answer
   x = 26,993,795.74