Finding the Third Proportional to 5,864,304 and 12,921,504

Step by Step Solution

1. Step 1: Write the proportion equation
   5,864,304 : 12,921,504 = 12,921,504 : x
2. Step 2: Convert to fraction form
   5,864,304/12,921,504 = 12,921,504/x
3. Step 3: Cross multiply
   5,864,304x = 12,921,504 × 12,921,504
4. Step 4: Simplify right side
   5,864,304x = 166,965,265,622,016
5. Step 5: Solve for x
   x = 166,965,265,622,016/5,864,304
6. Step 6: Final answer
   x = 28,471,454.69