Finding the Third Proportional to 5,179,744 and 8,107,548

Step by Step Solution

1. Step 1: Write the proportion equation
   5,179,744 : 8,107,548 = 8,107,548 : x
2. Step 2: Convert to fraction form
   5,179,744/8,107,548 = 8,107,548/x
3. Step 3: Cross multiply
   5,179,744x = 8,107,548 × 8,107,548
4. Step 4: Simplify right side
   5,179,744x = 65,732,334,572,304
5. Step 5: Solve for x
   x = 65,732,334,572,304/5,179,744
6. Step 6: Final answer
   x = 12,690,267.04